Managing Disclosure of Private Financial Data with Hippocratic Databases (2009)
Rakesh Agrawal, Dmitri Asonov, Roberto Bayardo, Tyrone Gr, Christopher Johnson, White Paper
2.1 Active Enforcement............................................................................................ 4 2.2 Compliance...
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present an auditing...
Sunita Sarawagi, Shiby Thomas, Rakesh Agrawal
Data mining on large data warehouses is becoming increas-ingly important. In support of this trend, we consider a spectrum of architectural alternatives for coupling mining with database systems....
The Claremont Report on Database Research (2009)
A group of database researchers, architects, users, and pundits met in May 2008 at the Claremont Resort in Berkeley, CA, to discuss the state of database it search and its effects on practice. This...
The Claremont Report on Database Research (2009)
A group of database researchers, architects, users, and pundits met in May 2008 at the Claremont Resort in Berkeley, CA, to discuss the state of database it search and its effects on practice. This...
ABSTRACT Order Preserving Encryption for Numeric Data (2008)
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
Encryption is a well established technology for protecting sensitive data. However, once encrypted, data can no longer be easily queried aside from exact matches. We present an order-preserving...
Database needs are changing, driven by the Internet and increasing amounts of scientific and sensor data. In this article, the authors propose research into several important new directions for...
ABSTRACT Information Sharing Across Private Databases (2008)
Rakesh Agrawal, Alexandre Evfimievski, Ramakrishnan Srikant
Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need for sharing...
Abstract Modeling Multidimensional Databases (2008)
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symmetric treatment not...
ABSTRACT Enabling Sovereign Information Sharing Using Web Services (2008)
Rakesh Agrawal, Dmitri Asonov, Ramakrishnan Srikant
Sovereign information sharing allows autonomous entities to compute queries across their databases in such a way that nothing apart from the result is revealed. We describe an implementation of this...
Contextual preferences take the form that item i1 is preferred to item i2 in the context of X. For example, a preference might state the choice for Nicole Kidman over Penelope Cruz in drama movies,...
A Survey, Online Reorganization, Ibm Products, H. Sockut, Balakrishna R. Iyer, Lucien Dimino, ...
The Bulletin of the Technical Committee on Data Engineering is published quarterly and is distributed to all TC members. Its scope includes the design, implementation, modelling, theory and...
We present techniques for privacy-preserving computation of multidimensional aggregates on data partitioned across multiple clients. Data from different clients is perturbed (randomized) in order to...
Swarup Acharya, Rafael Alonso, Michael J. Franklin, Stanley B. Zdonik, Pankaj Agarwal, Lars Arge, ...
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Rakesh Agrawal, Ibm Fellow, Roberto Bayardo, Alexandre Evfimievski, Tyrone Grandison, Christopher Johnson, ...
Based Based on on joint joint work work with with
Abstract Querying Shapes of Histories (2008)
Rakesh Agrawal, L. Wimmers Mohamed
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, language that allows...
Abstract Querying Shapes of Histories (2008)
Rakesh Agrawal, L. Wimmers Mohamed
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, language that allows...
Abstract Range Queries in OLAP Data Cubes (2008)
Ching-tien Ho, Rakesh Agrawal, Nimrod Megiddo, Ramakrishnan Srikant
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. We present fast...
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present an auditing...
Rakesh Agrawal, Peter J. Haas, Jerry Kiernan
Abstract. We enunciate the need for watermarking database relations to deter data piracy, identify the characteristics of relational data that pose unique challenges for watermarking, and delineate...
ABSTRACT A Reusable Platform for Building Sovereign Information Sharing Applications (2008)
Rakesh Agrawal, Dmitri Asonov, Priya Baliga, Linus Liang, Beate Porst, Ramakrishnan Srikant
Sovereign information sharing allows autonomous organizations to compute queries across databases in such a manner that nothing but the result is revealed. We present the design of a platform that...
Aert: An Architbcture for Transforming a Passive DBMS into an Active DBMS (2008)
Ulf Schreier, Hamid Pirahesh, Rakesh Agrawal, C. Mohan
Alert is an extension architecture designed for transforming a passive SQL DBMS into. an ac-tive DBMS. The salient features of the design of Alert are reusing, to the extent possible, the passive...
Sunita Sarawagi, Shiby Thomas, Rakesh Agrawal
Data mining on large data warehouses is becoming increasingly important. In support of this trend, we consider a spectrum of architectural alternatives for coupling mining with database systems....
The Claremont report on database research (2008)
Agrawal, Rakesh, Ailamaki, Anastasia, Bernstein, Philip A., Brewer, Eric A., Carey, Michael J., Chaudhuri, Surajit, ...
Soumen Chakrabarti, Byron Dom, Rakesh Agrawal, Prabhakar Raghavan
Abstract. We explore how to organize large text databases hierarchically by topic to aid better searching, browsing and filtering. Many corpora, such as internet directories, digital libraries, and...
Dbms Researchat A Crossroads:the Vienna Update (2007)
Michael Stonebraker Rakesh, Michael Stonebraker, Rakesh Agrawal, Umeshwar Dayal, Erich J. Neuhold, Andreas Reuter
On April 23, 1993 a panel discussion was held at the IEEE International Conference on Data Engineering in Vienna, Austria, at which five members of the data base research community discussed future...
High-dimensional Proximity Joins (2007)
Kyuseok Shim, Ramakrishnan Srikant, Rakesh Agrawal
Many emerging data mining applications require a proximity (similarity) join between points in a high-dimensional domain. We present a new algorithm that utilizes a new data structure, called the...
A large fraction of the useful web comprises of specification documents that largely consist of hattribute name, numeric valuei pairs embedded in text. Examples include product information,...
Mining Process Models from Work ow Logs (2007)
Rakesh Agrawal, Dimitrios Gunopulos, Frank Leymann
Modern enterprises increasingly use the work ow paradigm to prescribe how business processes should be performed. Processes are typically modeled as annotated activity graphs. We present an approach...
E-governance for small and medium enterprises (2007)
Godara, Varuna, Agrawal, Rakesh, Sahu, G. P.
Computing, Information Technology and Web-based Technology have become an integral part of the modern day society. They have brought about a revolution in the way different human endeavours are...
E-governance for small and medium enterprises (2007)
Godara, Varuna, Agrawal, Rakesh, Sahu, G. P.
Computing, Information Technology and Web-based Technology have become an integral part of the modern day society. They have brought about a revolution in the way different human endeavours are...
Taming Compliance with Sarbanes-Oxley Internal Controls Using Database Technology (2006)
Agrawal, Rakesh, Johnson, Christopher M., Kiernan, Jerry, Leymann, Frank
The Sarbanes-Oxley Act instituted a series of corporate reforms to improve the accuracy and reliability of financial reporting. Sections 302 and 404 of the Act require SEC-reporting companies to...
On honesty in sovereign information sharing (2006)
Rakesh Agrawal, Evimaria Terzi
Abstract. We study the following problem in a sovereign informationsharing setting: How to ensure that the individual participants, driven solely by self-interest, will behave honestly, even though...
Securing Electronic Health Records without Impeding the Flow of Information (2006)
Rakesh Agrawal, Christopher Johnson
The European Union Directive on Data Protection requires member states to enact laws that impose strict limitations on the processing of personal data. Recent
Rakesh Agrawal, Dmitri Asonov, Murat Kantarcioglu Li
We present a secure network service for sovereign information sharing whose only trusted component is an off-theshelf secure coprocessor. The participating data providers send encrypted relations to...
Leymann “Taming Compliance with Sarbanes-Oxley Internal Controls Using Database Technology (2006)
Rakesh Agrawal, Christopher Johnson, Jerry Kiernan
The Sarbanes-Oxley Act instituted a series of corporate reforms to improve the accuracy and reliability of financial reporting. Sections 302 and 404 of the Act require SEC-reporting companies to...
Mining Information Extraction Rules from Datasheets Without Linguistic Parsing (2005)
Agrawal, Rakesh, Ho, Howard, Jacquenet, François, Jacquenet, Marielle
In the context of the Pangea project at IBM, we needed to design an information extraction module in order to extract some information from datasheets. Contrary to several information extraction...
Automatic Subspace Clustering of High Dimensional Data (2005)
Rakesh Agrawal, Johannes Gehrke, Dimitrios Gunopulos, Prabhakar Raghavan
Data mining applications place special requirements on clustering algorithms including: the ability to find clusters embedded in subspaces of high dimensional data, scalability, end-user...
Extending relational database systems to automatically enforce privacy policies (2005)
Rakesh Agrawal, Paul Bird, Tyrone Gr
Databases are at the core of successful businesses. Due to the voluminous stores of personal data being held by companies today, preserving privacy has become a crucial requirement for operating a...
Data Mining: The Next Generation (2005)
Ramakrishnan, Raghu, Agrawal, Rakesh, Freytag, Johann-Christoph, Bollinger, Toni, Clifton, Christopher W., Dzeroski, Saso, ...
Data Mining (DM) has enjoyed great popularity in recent years, with advances in both research and commercialization. The first generation of DM research and development has yielded several...
The Lowell Database Research Self-Assessment (2005)
Abiteboul, Serge, Agrawal, Rakesh, Bernstein, Philip A., Carey, Michael J., Ceri, Stefano, Croft, W. Bruce, ...
Database needs are changing, driven by the Internet and increasing amounts of scientific and sensor data. In this article, the authors propose research into several important new directions for...
Auditing Compliance with a Hippocratic Database (2004)
Rakesh Agrawal, Roberto Bayardo, Christos Faloutsos, Jerry Kiernan, Ralf Rantzau, Ramakrishnan Srikant
We introduce an auditing framework for determining whether a database system is adhering to its data disclosure policies. Users formulate audit expressions to specify the (sensitive) data subject to...
Limiting disclosure in Hippocratic databases (2004)
Kristen Lefevre, Rakesh Agrawal, Vuk Ercegovac, Raghu Ramakrishnan, Yirong Xu, David Dewitt
We present a practical and efficient approach to incorporating privacy policy enforcement into an existing application and database environment, and we explore some of the semantic tradeoffs...
Limiting disclosure in Hippocratic databases (2004)
Kristen Lefevre, Rakesh Agrawal, Vuk Ercegovac, Raghu Ramakrishnan, Yirong Xu, David Dewitt
We present a practical and efficient approach to incorporating privacy policy enforcement into an existing application and database environment, and we explore some of the semantic tradeoffs...
Illustration by PAUL WILEY (2004)
Rakesh Agrawal, Tyrone Gr, Christopher Johnson, Jerry Kiernan
comprehensive findings regarding the potential of information technology (IT) to reduce medical errors, lower costs, and improve patient care. It also recommended a technological framework for...
Agrawal, Rakesh, Hurriyet, Hilal
This world has moved into the “Organic Era” requiring the development of “organic organisations” that would have characteristics similar to those in the “natural systems”. The factory of...
Agrawal, Rakesh, Hurriyet, Hilal
This world has moved into the “Organic Era” requiring the development of “organic organisations” that would have characteristics similar to those in the “natural systems”. The factory of...
The Lowell Database Research Self Assessment (2003)
Abiteboul, Serge, Agrawal, Rakesh, Bernstein, Phil, Carey, Mike, Ceri, Stefano, Croft, Bruce, ...
A group of senior database researchers gathers every few years to assess the state of database research and to point out problem areas that deserve additional focus. This report summarizes the...
An XPath-based Preference Language for P3P (2003)
Agrawal, Rakesh, Kiernan, Jerry, Srikant, Ramakrishnan, Xu, Yirong
The Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. The designers of P3P simultaneously...
Mining Newsgroups Using Networks Arising From Social Behavior (2003)
Agrawal, Rakesh, Rajagopalan, Sridhar, Srikant, Ramakrishnan, Xu, Yirong
Recent advances in information retrieval over hyperlinked corpora have convincingly demonstrated that links carry less noisy information than text. We investigate the feasibility of applying...
Implementing P3P using database technology (2003)
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. P3P provides mechanisms for web site...
An XPath-based preference language for P3P (2003)
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
The Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. The designers of P3P simultaneously...
Mining newsgroups using networks arising from social behavior (2003)
Rakesh Agrawal, Sridhar Rajagopalan, Ramakrishnan Srikant, Yirong Xu
Recent advances in information retrieval over hyperlinked corpora have convincingly demonstrated that links carry less noisy information than text. We investigate the feasibility of applying...
Trust management for the semantic web (2003)
Matthew Richardson, Rakesh Agrawal, Pedro Domingos
Abstract. Though research on the Semantic Web has progressed at a steady pace, its promise has yet to be realized. One major difficulty is that, by its very nature, the Semantic Web is a large,...
Information Sharing across Private Databases (2003)
Rakesh Agrawal, Alexandre Evfimievski, Ramakrishnan Srikant
Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need for sharing...
An XPath-based Preference Language for P3P (2003)
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
The Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. The designers of P3P simultaneously...
Privacy-Preserving Indexing of Documents on the Network (2003)
Mayank Bawa, Roberto J. Bayardo, Rakesh Agrawal
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) indexes used in...
Information Sharing Across Private Databases (2003)
Rakesh Agrawal, Alexandre Evfimievski, Ramakrishnan Srikant
Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need for sharing...
Serge Abiteboul, Rakesh Agrawal, Phil Bernstein, Mike Carey, Stefano Ceri, Bruce Croft, ...
This report summarizes the discussion and conclusions of the sixth ad-hoc meeting held May 4-6, 2003 in Lowell, Mass. It observes that information management continues to be a critical component of...
Mining newsgroups using networks arising from social behavior (2003)
Rakesh Agrawal, Sridhar Rajagopalan, Ramakrishnan Srikant, Yirong Xu
Recent advances in information retrieval over hyperlinked corpora have convincingly demonstrated that links carry less noisy information than text. We investigate the feasibility of applying...
Privacy-Preserving Indexing of Documents on the (2003)
Network Mayank Bawa, Mayank Bawa, Roberto J. Bayardo, Jr. Rakesh Agrawal
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) indexes used in...
Agrawal, Rakesh, Srikant, Ramakrishnan
A large fraction of the useful web comprises of specification documents that largely consist of attribute name, numeric valuepairs embedded in text. Examples include product information, classified...
YouServ: A Web-Hosting and Content Sharing Tool for the Masses (2002)
Bayardo, Jr. Roberto J., Agrawal, Rakesh, Gruhl, Daniel, Somani, Amit
YouServ is a system that allows its users to pool existing desktop computing resources for high availability web hosting and file sharing. By exploiting standard web and internet protocols (e.g. HTTP...
The changing role of ethnic entrepreneurs in Australia (2002)
Chavan, Meena S., Agrawal, Rakesh
This research looks at the changing role of ethnic small business in Australia by studying three generations over a period of time. The first generation was found to be positively associated with...
The changing role of ethnic entrepreneurs in Australia (2002)
Chavan, Meena S., Agrawal, Rakesh
This research looks at the changing role of ethnic small business in Australia by studying three generations over a period of time. The first generation was found to be positively associated with...
YouServ: A Web Hosting and Content Sharing Tool for the Masses (2002)
Roberto J. Bayardo, Rakesh Agrawal, Daniel Gruhl, Amit Somani
YouServ is a system that allows its users to pool existing desktop computing resources for high availability web hosting and file sharing. By exploiting standard web and internet protocols (e.g. HTTP...
Rakesh Agrawal, Ramakrishnan Srikant
A large fraction of the useful web comprises of specification documents that largely consist of hattribute name, numeric valuei pairs embedded in text. Examples include product information,...
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
The Hippocratic Oath has guided the conduct of physicians for centuries. Inspired by its tenet of preserving privacy, we argue that future database systems must include responsibility for the privacy...
Privacy preserving mining of association rules (2002)
Alexandre Evfimievski, Ramakrishnan Srikant, Rakesh Agrawal, Johannes Gehrke
We present a framework for mining association rules from transactions consisting of categorical items where the data has been randomized to preserve privacy of individual transactions. While it is...
Database Technologies for Electronic Commerce (2002)
Rakesh Agrawal, Ramakrishnan Srikant, Yirong Xu
Electronic commerce applications have posed new challenges for database systems. In this demonstration, we present three technologies for electronic commerce that solve the following problems:
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikant, Yirong Xu
The Hippocratic Oath has guided the conduct of physicians for centuries. Inspired by its tenet of preserving privacy, we argue that future database systems must include responsibility for the privacy...
Watermarking relational databases (2002)
We enunciate the need for watermarking database relations to deter their piracy, identify the unique characteristics of relational data which pose new challenges for watermarking, and provide...
Watermarking relational databases (2002)
We enunciate the need for watermarking database relations to deter their piracy, identify the unique characteristics of relational data which pose new challenges for watermarking, and provide...
Privacy preserving mining of association rules (2002)
Alexandre Evfimievski, Ramakrishnan Srikant, Rakesh Agrawal
We present a framework for mining association rules from transactions consisting of categorical items where the data has been randomized to preserve privacy of individual trans-actions. While it is...
YouServ: A Web Hosting and Content Sharing Tool for the Masses (2002)
Roberto J. Bayardo, Rakesh Agrawal, Daniel Gruhl, Amit Somani
YouServ is a system that allows its users to pool existing desktop computing resources for high availability web hosting and file sharing. By exploiting standard web and internet protocols (e.g. HTTP...
Watermarking relational databases (2002)
Rakesh Agrawal, Peter J. Haas, Jerry Kiernan
The piracy of digital assets such as software, images, video, audio and text has long been a concern for owners of these assets. Protection schemes are usually based upon the insertion of digital...
Rakesh Agrawal, Ramakrishnan Srikant
A large fraction of the useful web comprises of specification documents that largely consist of hattribute name, numeric valuei pairs embedded in text. Examples include product information,...
The changing role of ethnic entrepreneurs in Australia (2002)
Chavan, Meena S., Agrawal, Rakesh
This research looks at the changing role of ethnic small business in Australia by studying three generations over a period of time. The first generation was found to be positively associated with...
Knowledge management in the organic era (2002)
Hurriyet, Hilal, Agrawal, Rakesh, Ho, Samuel K. M., Dalrymple, John
Even though we are not fully capable of comprehending for sure, it is certain that we are in the Organic Era. Researchers, industrial leaders find individuals are helping the rest of the world in...
Vinci: A Service-Oriented Architecture for Rapid Development of Web Applications (2001)
Agrawal, Rakesh, Bayardo, Roberto J., Gruhl, Daniel, Papadimitriou, Spiros
Vinci is a local area service-oriented architecture designed for rapid development and management of robust web applications. Based on XML document exchange, Vinci is designed to complement and...
On Integrating Catalogs (2001)
Agrawal, Rakesh, Srikant, Ramakrishnan
We address the problem of integrating documents from different sources into a master catalog. This problem is pervasive in web marketplaces and portals. Current technology for automating this process...
Vinci: a service-oriented architecture for rapid development of web applications (2001)
Rakesh Agrawal, Roberto J. Bayardo, Daniel Gruhl, Spiros Papadimitriou
Vinci is a local area service-oriented architecture designed for rapid development and management of robust web applications. Based on XML document exchange, Vinci is designed to complement and...
On integrating catalogs (2001)
Rakesh Agrawal, Ramakrishnan Srikant
We address the problem of integrating documents from different sources into a master catalog. This problem is pervasive in web marketplaces and portals. Current technology for automating this process...
Vinci: a service-oriented architecture for rapid development of web applications (2001)
Rakesh Agrawal, Roberto Bayardo, Daniel Gruhl, Spiros Papadimitriou
Vinci is a local area service-oriented architecture designed for rapid development and management of robust web applications. Based on XML document exchange, Vinci is designed to complement and...
Athena: Mining-based interactive management of text databases (2000)
Rakesh Agrawal, Roberto Bayardo, Ramakrishnan Srikant
Abstract. We describe Athena: a system for creating, exploiting, and maintaining a hierarchy of textual documents through interactive miningbased operations. Requirements of any such system include...
Athena: Mining-based Interactive Management of Text Databases (2000)
Rakesh Agrawal, Roberto Bayardo, Ramakrishnan Srikant
. We describe Athena: a system for creating, exploiting, and maintaining a hierarchy of textual documents through interactive miningbased operations. Requirements of any such system include speed and...
Privacy-Preserving Data Mining (2000)
Rakesh Agrawal, Ramakrishnan Srikant
A fruitful direction for future data mining research will be the development of techniques that incorporate privacy concerns. Specifically, we address the following question. Since the primary task...
Constraint-Based Rule Mining in Large, Dense Databases (1999)
Roberto J. Bayardo, Roberto J. Bayardo, Rakesh Agrawal, Rakesh Agrawal, Dimitrios Gunopulos, ...
: Constraint-based rule miners find all rules in a given data-set meeting user-specified constraints such as minimum support and confidence. We describe a new algorithm that exploits all...
Athena: Mining-based Interactive Management of Text Databases (1999)
Rakesh Agrawal, Roberto Bayardo, Ramakrishnan Srikant
We describe Athena: a system for creating, exploiting, and maintaining a hierarchical arrangement of textual documents through interactive mining-based operations. Requirements of any such system...
Partial-sum queries in OLAP data cubes using covering codes (1998)
Ho, Ching-Tien, Bruck, Jehoshua, Agrawal, Rakesh
A partial-sum query obtains the summation over a set of specified cells of a data cube. We establish a connection between the covering problem in the theory of error-correcting codes and the...
Mining Process Models from Workflow Logs (1998)
Agrawal, Rakesh, Gunopulos, Dimitrios, Leymann, Frank
Modern enterprises increasingly use the workflow paradigm to prescribe how business processes should be performed. Processes are typically modeled as annotated activity graphs. We present an approach...
On a Reduced Load Equivalence under Heavy Tail Assumptions (1998)
Agrawal, Rakesh, Makowski, A., Nain, P.
We propose a general framework for obtaining asymptotic distributional bounds on the stationary backlog WA1+A2,c in a buffer fed by a combined fluid process A1+A2 and drained at a constant rate...
On a Reduced Load Equivalence under Heavy Tail Assumptions (1998)
Agrawal, Rakesh, Makowski, A., Nain, P.
We propose a general framework for obtaining asymptotic distributional bounds on the stationary backlog WA1+A2,c in a buffer fed by a combined fluid process A1+A2 and drained at a constant rate...
Automatic subspace clustering of high dimensional data for data mining applications (1998)
Rakesh Agrawal, Johannes Gehrke, Dimitrios Gunopulos, Prabhakar Raghavan
Data mining applications place special requirements on clustering algorithms including: the ability to nd clusters embedded in subspaces of high dimensional data, scalability, end-user...
Soumen Chakrabarti, Byron Dom, Rakesh Agrawal, Prabhakar Raghavan
We explore how to organize large text databases hierarchically by topic to aid better searching, browsing and filtering. Many corpora, such as internet directories, digital libraries, and patent...
Automatic Subspace Clustering of High Dimensional Data for Data Mining Applications (1998)
Rakesh Agrawal, Johannes Gehrke, Dimitrios Gunopulos, Prabhakar Raghavan
Data mining applications place special requirements on clustering algorithms including: the ability to find clusters embedded in subspaces of high dimensional data, scalability, end-user...
Parallel Classification for Data Mining on Shared-Memory Multiprocessors (1998)
Mohammed J. Zaki, Ching-Tien Ho, Rakesh Agrawal
We present parallel algorithms for building decision-tree classi#ers on shared-memory multiprocessor #SMP# systems. The proposed algorithms span the gamut of data and task parallelism. The data...
Discovery-driven Exploration of OLAP Data Cubes (1998)
Sunita Sarawagi, Rakesh Agrawal, Nimrod Megiddo
. Analysts predominantly use OLAP data cubes to identify regions of anomalies that may represent problem areas or new opportunities. The current OLAP systems support hypothesis-driven exploration of...
Sunita Sarawagi, Shiby Thomas, Rakesh Agrawal
Data mining on large data warehouses is becoming increasingly important. In support of this trend, we consider a spectrum of architectural alternatives for coupling mining with database systems....
Parallel Classification for Data Mining on Shared-Memory Multiprocessors (1998)
Mohammed J. Zaki, Ching-Tien Ho, Rakesh Agrawal
We present parallel algorithms for building decision-tree classifiers on shared-memory multiprocessor (SMP) systems. The proposed algorithms span the gamut of data and task parallelism. The data...
Mining Process Models from Workflow Logs (1998)
Rakesh Agrawal, Dimitrios Gunopulos, Frank Leymann
Modern enterprises increasingly use the workflow paradigm to prescribe how business processes should be performed. Processes are typically modeled as annotated activity graphs. We present an approach...
Mining Process Models from Workflow Logs (1998)
Rakesh Agrawal, Dimitrios Gunopulos, Frank Leymann
Modern enterprises increasingly use the workflow paradigm to prescribe how business processes should be performed. Processes are typically modeled as annotated activity graphs. We present an approach...
Parallel Classification for Data Mining on Shared-Memory Multiprocessors (1998)
Mohammed Zaki Computer, Mohammed J. Zaki, Ching-tien Ho, Rakesh Agrawal
We present parallel algorithms for building decision-tree classifiers on shared-memory multiprocessor (SMP) systems. The proposed algorithms span the gamut of data and task parallelism. The data...
Parallel Classification on SMP Systems (1998)
Mohammed J. Zaki, Ching-Tien Ho, Rakesh Agrawal
This paper presents fast scalable decision-tree-based classification algorithms targeting shared-memory systems. The algorithms are based on the sequential SPRINT classifier and span the gamut of...
Sunita Sarawagi, Shiby Thomas, Rakesh Agrawal
Data mining on large data warehouses is becoming increasingly important. In support of this trend, we consider a spectrum of architectural alternatives for coupling mining with database systems....
Parallel Classification for Data Mining on Shared-Memory Multiprocessors (1998)
Mohammed Zaki, Ching-tien Ho, Rakesh Agrawal
We present parallel algorithms for building decision-tree classifiers on shared-memory multiprocessor (SMP) systems. The proposed algorithms span the gamut of data and task parallelism. The data...
Automatic subspace clustering of high dimensional data for data mining applications (1998)
Rakesh Agrawal, Johannes Gehrke, Dimitrios Gunopulos, Prabhakar Raghavan
Data mining applications place special requirements on clustering algorithms including: the ability to nd clusters embedded in subspaces of high dimensional data, scalability, end-user...
Discovery-driven Exploration of OLAP Data Cubes (1998)
Sunita Sarawagi, Rakesh Agrawal, Nimrod Megiddo
Abstract. Analysts predominantly use OLAP data cubes to identify regions of anomalies that may represent problem areas or new opportunities. The current OLAP systems support hypothesis-driven...
High-dimensional similarity joins (1997)
Kyuseok Shim, Ramakrishnan Srikant, Rakesh Agrawal
Many emerging data mining applications require a similarity join between points in a high-dimensional domain. We present a new algorithm that utilizes a new index structure, called the ffl-kdB tree,...
High-dimensional similarity joins (1997)
Kyuseok Shim, Ramakrishnan Srikant, Rakesh Agrawal
Many emerging data mining applications require a similarity join between points in a highdimensional domain. We present a new algorithm that utilizes a new index structure, called the ffl tree, for...
Range Queries in OLAP Data Cubes (1997)
Ching-Tien Ho, Rakesh Agrawal, Nimrod Megiddo, Ramakrishnan Srikant
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is specified by providing ranges of values for numeric dimensions. We present fast...
Parallel Algorithms for High-dimensional Proximity Joins (1997)
John C. Shafer, Rakesh Agrawal
We consider the problem of parallelizing highdimensional proximity joins. We present a parallel multidimensional join algorithm based on an the epsilon-kdB tree and compare it with the more common...
Partial-Sum Queries in OLAP Data Cubes Using Covering Codes (1997)
Ching-Tien Ho, Jehoshua Bruck, Rakesh Agrawal, Senior Member, Senior Member
A partial-sum query obtains the summation over a set of specified cells of a data cube. We establish a connection between the covering problem in the theory of error-correcting codes and the...
Discovering Trends in Text Databases (1997)
Brian Lent, Rakesh Agrawal, Ramakrishnan Srikant
We describe a system we developed for identifying trends in text documents collected over a period of time. Trends can be used, for example, to discover that a company is shifting interests from one...
Range Queries in OLAP Data Cubes (1997)
Ching-Tien Ho, Rakesh Agrawal, Nimrod Megiddo, Ramakrishnan Srikant
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is specified by providing ranges of values for numeric dimensions. We present fast...
Using Taxonomy, Discriminants, and Signatures for Navigating in Text Databases (1997)
Soumen Chakrabarti, Byron Dom, Rakesh Agrawal, Prabhakar Raghavan
We explore how to organize a text database hierarchically to aid better searching and browsing. We propose to exploit the natural hierarchy of topics, or taxonomy, that many corpora, such as internet...
Techniques for Speeding up Range-Max Queries in OLAP Data Cubes (1997)
Ching-Tien Ho, Rakesh Agrawal, Nimrod Megiddo, Jyh-jong Tsay
A range-max query obtains the maximum over all selected cells of a data cube where the selection is specified by providing ranges of values for numeric dimensions. Our general approach to speeding up...
Using Taxonomy, Discriminants, and Signatures for Navigating in Text Databases (1997)
Soumen Chakrabarti Byron, Byron Dom, Rakesh Agrawal, Prabhakar Raghavan
We explore how to organize a text database hierarchically to aid better searching and browsing. We propose to exploit the natural hierarchy of topics, or taxonomy, that many corpora, such as internet...
High-dimensional Similarity Joins (1997)
Kyuseok Shim, Ramakrishnan Srikant, Rakesh Agrawal
Many emerging data mining applications require a similarity join between points in a high-dimensional domain. We present a new algorithm that utilizes a new index structure, called the ffl-kdB tree,...
Partial-Sum Queries in OLAP Data Cubes Using Covering Codes (1997)
Ching-Tien Ho, Jehoshua Bruck, Rakesh Agrawal
A partial-sum query obtains the summation over a set of specified cells of a data cube. We establish a connection between the covering problem in the theory of covering codes and the partial-sum...
Discovering Trends in Text Databases (1997)
Brian Lent, Rakesh Agrawal, Ramakrishnan Srikant
We describe a system we developed for identifying trends in text documents collected over a period of time. Trends can be used, for example, to discover that a company is shifting interests from one...
Mining Process Models from Work ow Logs (1997)
Rakesh Agrawal, Dimitrios Gunopulos, Frank Leymann
Abstract. Modern enterprises increasingly use the work ow paradigm to prescribe how business processes should be performed. Processes are typically modeled as annotated activity graphs. We present an...
Mining association rules with item constraints (1997)
Ramakrishnan Srikant, Quoc Vu, Rakesh Agrawal
The problem of discovering association rules has received considerable research attention and several fast algorithms for mining association rules have been developed. In practice, users are often...
High-dimensional similarity joins (1997)
Kyuseok Shim, Ramakrishnan Srikant, Rakesh Agrawal
Many emerging data mining applications require a similarity join between points in a high-dimensional domain. We present a new algorithm that utilizes a new index structure, called the-kdB tree, for...
Parallel algorithms for highdimensional proximity joins (1997)
John C. Shafer, Rakesh Agrawal
We consider the problem of parallelizing highdimensional proximity joins. We present a parallel multidimensional join algorithm based on an the epsilon-kdB tree and compare it with the more common...
Rakesh Agrawal Kyuseok Shim (1996)
Ibm Almaden, Rakesh Agrawal, Kyuseok Shim
We present a methodology for tightly coupling data mining applications to database systems to build high-performance applications, without requiring any change to the database software. Introduction...
SPRINT: A scalable parallel classifier for data mining (1996)
John Shafer, Rakesh Agrawal, Manish Mehta
Classification is an important data mining problem. Although classification is a well-studied problem, most of the current classification algorithms require that all or a portion of the the entire...
Parallel Mining of Association Rules (1996)
Rakesh Agrawal, John C. Shafer
We consider the problem of mining association rules on a shared-nothing multiprocessor. We present three algorithms that explore a spectrum of trade-offs between computation, communication, memory...
Mining Sequential Patterns: Generalizations and Performance Improvements (1996)
Ramakrishnan Srikant, Rakesh Agrawal
. The problem of mining sequential patterns was recently introduced in [3]. We are given a database of sequences, where each sequence is a list of transactions ordered by transaction-time, and each...
The Quest Data Mining System (1996)
Rakesh Agrawal, Manish Mehta, John Shafer, Ramakrishnan Srikant, Andreas Arning, Toni Bollinger
This paper is a capsule summary of the current functionality and architecture of the Quest data mining System. Our overall approach has been to identify basic data mining operations that cut across...
Mining Quantitative Association Rules in Large Relational Tables (1996)
Ramakrishnan Srikant, Rakesh Agrawal
We introduce the problem of mining association rules in large relational tables containing both quantitative and categorical attributes. An example of such an association might be "10% of...
A Linear Method for Deviation Detection in Large Databases (1996)
Andreas Arning, Rakesh Agrawal, Prabhakar Raghavan
We describe the problem of finding deviations in large data bases. Normally, explicit information outside the data, like integrity constraints or predefined patterns, is used for deviation detection....
On the Computation of Multidimensional Aggregates (1996)
Sameet Agarwal, Rakesh Agrawal, Prasad M. Deshpande, Ashish Gupta, Jeffrey F. Naughton, Raghu Ramakrishnan, ...
At the heart of all OLAP or multidimensional data analysis applications is the ability to simultaneously aggregate across many sets of dimensions. Computing multidimensional aggregates is a...
Developing Tightly-Coupled Data Mining Applications on a Relational Database System (1996)
We present a methodology for tightly coupling data mining applications to database systems to build high-performance applications, without requiring any change to the database software. Introduction...
SLIQ: A Fast Scalable Classifier for Data Mining (1996)
Manish Mehta, Rakesh Agrawal, Jorma Rissanen
. Classification is an important problem in the emerging field of data mining. Although classification has been studied extensively in the past, most of the classification algorithms are designed...
Mining Sequential Patterns: Generalizations And Performance Improvements (1996)
Ramakrishnan Srikant, Ramakrishnan Srikant, Rakesh Agrawal, Rakesh Agrawal
: The problem of mining sequential patterns was recently introduced in [AS95]. We are given a database of sequences, where each sequence is a list of transactions ordered by transaction-time, and...
SPRINT: A Scalable Parallel Classifier for Data Mining (1996)
John Shafer, Rakesh Agrawal, Manish Mehta
Classification is an important data mining problem. Although classification is a wellstudied problem, most of the current classification algorithms require that all or a portion of the the entire...
On the Computation of Multidimensional Aggregates (1996)
Sameet Agarwal, Rakesh Agrawal, Prasad M. Deshpande, Ashish Gupta, Jeffrey F. Naughton, Raghu Ramakrishnan, ...
At the heart of all OLAP or multidimensional data analysis applications is the ability to simultaneously aggregate across many sets of dimensions. Computing multidimensional aggregates is a...
Mining Quantitative Association Rules in Large Relational Tables (1996)
Ramakrishnan Srikant, Rakesh Agrawal
We introduce the problem of mining association rules in large relational tables containing both quantitative and categorical attributes. An example of such an association might be "10% of...
Mining quantitative association rules in large relational tables (1996)
Ramakrishnan Srikant, Rakesh Agrawal
We introduce the problem of mining association rules in large relational tables containing both quantitative and categorical attributes. An example of such an association might be “ 10 % of married...
The Quest Data Mining System (1996)
Rakesh Agrawal, Manish Mehta, John Shafer, Ramakrishnan Srikant
The goal of the Quest project at the IBM Almaden Research center is to develop technology to enable a new breed of data-intensive decision-support applications. This paper is a capsule summary of the...
SLIQ: A fast scalable classifier for data mining (1996)
Manish Mehta, Rakesh Agrawal, Jorma Rissanen
Classification is an important problem in the emerging field of data mining. Although classification has been studied extensively in the past, most of the classification algorithms are designed only...
On the computation of multidimensional aggregates (1996)
Sameet Agarwal, Rakesh Agrawal, Prasad M. Deshpande, Ashish Gupta, Je F. Naughton, Raghu Ramakrishnan, ...
At the heart of all OLAP or multidimensional data analysis applications is the ability tosimultaneously aggregate across many sets of dimensions. Computing multidimensional aggregates is a...
SLIQ: A fast scalable classifier for data mining (1996)
Manish Mehta, Rakesh Agrawal, Jorma Rissanen
Abstract. Classification is an important problem in the emerging field of data mining. Although classification has been studied extensively in the past, most of the classification algorithms are...
Mining Sequential Patterns: Generalizations and Performance Improvements (1996)
Ramakrishnan Srikant, Rakesh Agrawal
Abstract. The problem of mining sequential patterns was recently introduced in [3]. We are given a database of sequences, where each sequence is a list of transactions ordered by transaction-time,...
On the computation of multidimensional aggregates (1996)
Sameet Agarwal, Rakesh Agrawal, Prasad M. Deshpande, Ashish Gupta, Je F. Naughton, Raghu Ramakrishnan, ...
At the heart of all OLAP or multidimensional data analysis applications is the ability to simultaneously aggregate across many sets of dimensions. Computing multidimensional aggregates is a...
Rakesh Agrawal, King-ip Lin, Harpreet S. Sawhney, Kyuseok Shim
We introduce a new model of similarity of time sequences that captures the intuitive notion that two sequences should be considered similar if they have enough non-overlapping time-ordered pairs of...
Mining Generalized Association Rules (1995)
Ramakrishnan Srikant, Rakesh Agrawal
We introduce the problem of mining generalized association rules. Given a large database of transactions, where each transaction consists of a set of items, and a taxonomy (is-a hierarchy) on the...
Rakesh Agrawal, Giuseppe Psaila
We introduce an active data mining paradigm that combines the recent work in data mining with the rich literature on active database systems. In this paradigm, data is continuously mined at a desired...
Modeling Multidimensional Databases (1995)
Rakesh Agrawal, Ashish Gupta, Sunita Sarawagi
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symmetric treatment not...
MDL-based Decision Tree Pruning (1995)
Manish Mehta, Jorma Rissanen, Rakesh Agrawal
This paper explores the application of the Minimum Description Length principle for pruning decision trees. We present a new algorithm that intuitively captures the primary goal of reducing the...
Mining Sequential Patterns (1995)
Rakesh Agrawal, Ramakrishnan Srikant
We are given a large database of customer transactions, where each transaction consists of customer-id, transaction time, and the items bought in the transaction. We introduce the problem of mining...
A One-Pass Space-Efficient Algorithm for Finding Quantiles (1995)
We present an algorithm for finding the quantile values of a large unordered dataset with unknown distribution. The algorithm has the following features: i) it requires only one pass over the data;...
Rakesh Agrawal, King-ip Lin, Harpreet S. Sawhney, Kyuseok Shim
We introduce a new model of similarity of time sequences that captures the intuitive notion that two sequences should be considered similar if they have enough non-overlapping time-ordered pairs of...
Rakesh Agrawal, King-ip Lin, Harpreet S. Sawhney, Kyuseok Shim
We introduce a new model of similarity of time sequences that captures the intuitive notion that two sequences should be considered similar if they have enough non-overlapping time-ordered pairs of...
MDL-Based Decision Tree Pruning (1995)
Manish Mehta, Jorma Rissanen, Rakesh Agrawal
This paper explores the application of the Minimum Description Length principle for pruning decision trees. We present a new algorithm that intuitively captures the primary goal of reducing the...
MDL-Based Decision Tree Pruning (1995)
Manish Mehta, Jorma Rissanen, Rakesh Agrawal
This paper explores the application of the Minimum Description Length principle for pruning decision trees. We present a new algorithm that intuitively captures the primary goal of reducing the...
Mining generalized association rules (1995)
Ramakrishnan Srikant, Rakesh Agrawal
We introduce the problem of mining generalized association rules. Given a large database of transactions, where each transaction consists of a set of items, and a taxonomy (is-a hierarchy) on the...
Mining generalized association rules (1995)
Ramakrishnan Srikant, Rakesh Agrawal
We introduce the problem of mining generalized association rules. Given a large database of transactions, where each transaction consists
Fast Algorithms for Mining Association Rules (1994)
Rakesh Agrawal, Ramakrishnan Srikant
We consider the problem of discovering association rules between items in a large database of sales transactions. We present two new algorithms for solving this problem that are fundamentally...
Fast Algorithms for Mining Association Rules (1994)
Rakesh Agrawal, Ramakrishnan Srikant
We consider the problem of discovering association rules between items in a large database of sales transactions. We present two new algorithms for solving this problem that are fundamentally...
Type Derivation Using the Projection Operation (1994)
Rakesh Agrawal, Linda G. Demichiel
We present techniques for deriving types from existing object-oriented types using the relational algebraic projection operation and for inferring the methods that are applicable to these types. Such...
Fast algorithms for mining association rules (1994)
Rakesh Agrawal, Ramakrishnan Srikant
We consider the problem of discovering association rules between items in a large database of sales transactions. We present two new algorithms for solving this problem that are fundamentally di...
The o++ database programming language: Implementation and experience (1993)
Rakesh Agrawal, Shaul Dar, Narain Gehani
Ode is a database system and environment based on the object paradigm. The database is defined, queried and manipulated using the database programming language O++, which is based on C++. The O++...
Efficient Similarity Search in Sequence Databases (1993)
Rakesh Agrawal, Christos Faloutsos, Arun Swami
Abstract. We propose an indexing method for time sequences for processing similarity queries. We use the Discrete Fourier Transform (DFT) to map time sequences to the frequency domain, the crucial...
Mining Association Rules between Sets of Items in Large Databases (1993)
Rakesh Agrawal, Tomasz Imielinski, Arun Swami
We are given a large database of customer transactions. Each transaction consists of items purchased by a customer in a visit. We present an efficient algorithm that generates all significant...
The O++ Database Programming Language: Implementation And Experience (1993)
Rakesh Agrawal, Shaul Dar, Narain Gehani
Ode is a database system and environment based on the object paradigm. The database is defined, queried and manipulated using the database programming language O++, which is based on C++. The O++...
Database Mining: A Performance Perspective (1993)
Rakesh Agrawal, Tomasz Imielinski, Arun Swami
We present our perspective of database mining as the confluence of machine learning techniques and the performance emphasis of database technology. We describe three classes of database mining...
Bulletin of the Technical Committee on Data Engineering (June, 1993 Vol. 16 No. 2) (1993)
Important Membership, March Issue, Rakesh Agrawal, David Lomet, ...
In many real world applications (even in banking), imprecise data is a matter of fact. However, classic database management systems provide little if any help in the management of imprecise data. We...
Efficient Similarity Search In Sequence Databases (1993)
Rakesh Agrawal, Christos Faloutsos, Arun Swami
. We propose an indexing method for time sequences for processing similarity queries. We use the Discrete Fourier Transform (DFT) to map time sequences to the frequency domain, the crucial...
DBMS Research at a Crossroads: The Vienna Update (1993)
Michael Stonebraker, Rakesh Agrawal, Umeshwar Dayal, Erich J. Neuhold, Andreas Reuter
On April 23, 1993 a panel discussion was held at the IEEE International Conference on Data Engineering in Vienna, Austria, at which five members of the data base research community discussed future...
Efficient Similarity Search In Sequence Databases (1993)
Rakesh Agrawal, Christos Faloutsos, Arun Swami
We propose an indexing method for time sequences for processing similarity queries. We use the Discrete Fourier Transform (DFT) to map time sequences to the frequency domain, the crucial observation...
Efficient Similarity Search in Sequence Databases (1993)
Rakesh Agrawal, Christos Faloutsos, Arun Swami
We propose an indexing method for time sequences for processing similarity queries. We use the Discrete Fourier Transform (DFT) to map time sequences to the frequency domain, the crucial observation...
Database Mining: A Performance Perspective (1993)
Rakesh Agrawal, Tomasz Imielinski, Arun Swami
We present our perspective of database mining as the confluence of machine learning techniques and the performance emphasis of database technology. We describe three classes of database mining...
DBMS research at a crossroads: The vienna update (1993)
Michael Stonebraker, Rakesh Agrawal, Umeshwar Dayal, Erich J. Neuhold, Andreas Reuler
held at the IEEE International Conference on Data Engineering
An Interval Classifier for Database Mining Applications (1992)
Rakesh Agrawal, Sakti Ghosh, Tomasz Imielinski, Bala Iyer, Arun Swami
We are given a large population database that contains information about population instances. The population is known to comprise of m groups, but the population instances are not labeled with the...
An interval classifier for database mining applications (1992)
Rakesh Agrawal, Sakti Ghosh, Tomasz Imielinski, Bala Iyer
We are given a large population database that contains information about population instances. The population is known to comprise of m groups, but the population instances are not labeled with the...
On Maintaining Priorities in a Production Rule System (1991)
Agrawal, Rakesh, Cochrane, R., Lindsay, B.
We present a priority system which is particularly suited for production rules coupled to databases. In this system, there are default priorities between all rules and overriding user-defined...
On Maintaining Priorities in a Production Rule System (1991)
Agrawal, Rakesh, Cochrane, Roberta J., Lindsay, B.
We present a priority system which is particularly suited for production rules coupled to databases. In this system, there are default priorities between all rules and overriding user-defined...
Static Type Checking of Multi-Methods (1991)
Rakesh Agrawal, Linda G. Demichiel, Bruce G. Lindsay
Multi-methods allow method selection to be based on the types of any number of arguments. Languages that currently support multi-methods do not support static type checking. We show how multi-methods...
On Maintaining Priorities in a Production Rule System (1991)
Rakesh Agrawal, Roberta Cochrane, Bruce Lindsay
We present a priority system which is particularly suited for production rules coupled to databases. In this system, there are default priorities between all rules and overriding user-defined...
Library Circulation Desk Manager, LCDM /--by Rakesh Agrawal. (1989)
Thesis (M.S.)--Azusa Pacific University, 1989.
On Correctly Configuring Versioned Objects (1989)
Rakesh Agrawal, H. V. Jagadish
We consider the problem of configuring a system in software and design database domains, where a system comprises a version for each of its constituent objects. We present a syntactic...
Direct Algorithms for Computing the Transitive Closure of Database Relations (1987)
Rakesh Agrawal, H. V. Jagadish
We present new algorithms for computing the transitive closure of large database relations. Unlike iterative algorithms, such as the semi-naive and the logarithmic algorithms, the termination of our...
Concurrency Control Performance Modeling: Alternatives and Implications (1987)
Rakesh Agrawal, Michael J. Carey, Miron Livny
A number of recent studies have examined the performance of concurrency control algorithms for database management systems. The results reported to date, rather than being definitive, have tended to...
Injection Molding Process Control - A Review. (1986)
Agrawal, Rakesh, Pandelidis, I.O., Pecht, M.
This paper reviews control strategies employed in the injection molding process. For clarity, the controlled variables have been categorized into all phase control, phase-dependent control and cycle...
Optimal Anticipafory Control of Ram Velocity in Injection Molding. (1986)
Pandelidis, I.O., Agrawal, Rakesh
This paper discusses a computer control system for ram velocity of an injection molding machine using optimal state feedback based on the linear quadratlc control theory. A new approach for the...
Observers for Optimal Anticipatory Control of Ram Velocity in Injection Molding. (1986)
Agrawal, Rakesh, Pandelidis, I.O.
The application of optimal anticipatory control assumes that the entire state is available for feedback. However, in the case of injection molding this assumption is violated due to economic...
Injection Molding Process Control - A Review. (1986)
Agrawal, Rakesh, Pandelidis, I.O., Pecht, M.
This paper reviews control strategies employed in the injection molding process. For clarity, the controlled variables have been categorized into all phase control, phase-dependent control and cycle...
Optimal Anticipafory Control of Ram Velocity in Injection Molding. (1986)
Pandelidis, I.O., Agrawal, Rakesh
This paper discusses a computer control system for ram velocity of an injection molding machine using optimal state feedback based on the linear quadratlc control theory. A new approach for the...
Observers for Optimal Anticipatory Control of Ram Velocity in Injection Molding. (1986)
Agrawal, Rakesh, Pandelidis, I.O.
The application of optimal anticipatory control assumes that the entire state is available for feedback. However, in the case of injection molding this assumption is violated due to economic...
Integrated Concurrency Control and Recovery Mechanisms: Design and Performance Evaluation (1985)
Rakesh Agrawal, David J. Dewitt
In spite of the wide variety of concurrency control and recovery mechanisms proposed during the past decade, the behavior and the performance of various concurrency control and recovery mecha-nisms...
Thesis (Ph. D.)--University of Wisconsin-Madison, 1983.
Typescript.
Kinetics and diffusion in hydrodemetallation of nickel and vanadium porphyrins (1980)
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1980.
Kinetics and diffusion in hydrodemetallation of nickel and vanadium porphyrins / (1980)
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1980.
Kinetics and diffusion in hydrodemetallation of nickel and vanadium porphyrins (1980)
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1980.
Sustainable fuel for the transportation sector
Agrawal, Rakesh, Singh, Navneet R., Ribeiro, Fabio H., Delgass, W. Nicholas
A hybrid hydrogen-carbon (H2CAR) process for the production of liquid hydrocarbon fuels is proposed wherein biomass is the carbon source and hydrogen is supplied from carbon-free energy. To implement...
Rakesh Agrawal, Giuseppe Psaila, Edward L. Wimmers, Mohamed Zaït
We present a shape definition language, called SDL, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, language that allows...
Mining Association Rules with Item Constraints
Ramakrishnan Srikant, Quoc Vu, Rakesh Agrawal
The problem of discovering association rules has received considerable research attention and several fast algorithms for mining association rules have been developed. In practice, users are often...