Lalana Kagal, Vladimir Korolev, Sasikanth Avancha, Anupam Joshi, Tim Finin, Yelena Yesha
Abstract. In the near future, we will see dramatic changes in computing and networking hardware. A large number of devices (e.g., phones, PDAs, even small household appliances) will become...
A Data Intensive Reputation Management Scheme for Vehicular Ad Hoc Networks (2008)
Anupam Joshi, Tim Finin, Yelena Yesha
Abstract — In vehicular ad hoc networks individual vehicles can help each other locate resources and establish trustworthiness under highly dynamic conditions, lacking any centralized trust...
Sasikanth Avancha, Vladimir Korolev, Anupam Joshi, Timothy Finin, Yelena Yesha
On experiments with a transport protocol
Keyframe-based Video Summarization using Abstract Delaunay Clustering (2008)
Padmavathi Mundur, Yong Rao, Yelena Yesha
Recent advances in technology have made tremendous amount of multimedia information available to the general population. An efficient way of dealing with this new development is to develop browsing...
Filip Perich, Anupam Joshi, Yelena Yesha, Tim Finin
e-mail: The date of receipt and acceptance will be inserted by the editor Abstract Locating and obtaining context sensitive information in a mobile environment has always been a challenge. This is...
Second Space: a Generative Model for the Blogosphere (2008)
Amit Kar, Akshay Java, Anupam Joshi, Tim Finin, Yaacov Yesha, Yelena Yesha
Analysing complex natural phenomena often requires synthesized data that matches observed characteristics. Graph models are widely used in analyzing the Web in general, but are less suitable for...
Sensor Web Design Studies for Realtime Dynamic Congestion Pricing (2008)
Milton Halem, Or Dornbush, Michael Seablom, Yelena Yesha
Traffic Congestion is a multi-billion dollar national problem and worsening every year with population growth and increase in freight traffic. We present a model for realistic simulation studies to...
INDUSTRY EXPERIENCE SKILLS (2008)
Dr. Tim Finin, Dr. Yelena Yesha, Dr. Hillol Kargupta, Dr. Arya Gangopadhyay, Dr. Mukesh Singhal
� 4+ years of research experience � Industry experience at IBM, Aether Systems (1 year combined) � 1 patent � 2 journal publications and 12 refereed conference and workshop publications...
Policy Management of Enterprise Systems: A Requirements Study ∗ (2008)
Pranam Kolari, Tim Finin, Yelena Yesha
Policy enabled applications are being increasingly employed to support responsive Information Technology services. In competitive business environments, such services increase adaptability of both...
Policy Management of Enterprise Systems: A Requirements Study ∗ (2008)
Pranam Kolari, Tim Finin, Yelena Yesha
Policy enabled applications are being increasingly employed to support responsive Information Technology services. In competitive business environments, such services increase adaptability of both...
Sheetal Agarwal, Anupam Joshi, Tim Finin, Yelena Yesha, Tim Ganous
We describe a prototype Context Aware Perioperative Information System to capture and interpret data in an operating room of the future. The captured data is used to construct the context of the...
Querying in Packs: Trustworthy Data Management in Ad Hoc Networks (2008)
Filip Perich, Anupam Joshi, Tim Finin, Yelena Yesha
We describe a trust-based data management framework enabling mobile devices to access the distributed computation, storage, and sensory resources available in pervasive computing environments....
THE WORLD BECAME A SMALLER PLACE IN THE 20TH CENTURY. TRANS- (2008)
Nabil Adam, Baruch Awerbuch, Jacob Slonim, Peter Wegner, Yelena Yesha, Globalizing Business, ...
portation technology caused physical distances to shrink by several orders of magnitude, and telecommunications technology made terrestrial distances insignificant. The transformation of the world...
On a Unified Framework for the Evaluation of Distributed Quorum Attainment Protocols (2008)
Daniel A. Menascc, Yelena Yesha, Konstantinos Kalpakis
Abstmct~uorum attainment protocols are an important part of many mutual exclusion algorithms. Assessing the performance of such protocols in terms of number of messages, as is usually done, may be...
Intelligent Ad hoc Marketing within Hotspot Networks (2008)
Olga Ratsimor, Sethuram Balaji Kodeswaran, Tim Finin, Anupam Joshi, Yelena Yesha, Olga Ratsimor, ...
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being explored...
Towards a Theory of Cost Management for Digital Libraries (2007)
Prasad Sistla Ouri, A. Prasad Sistla, Ouri Wolfson, Yelena Yesha, Robert Sloan
One of the features that distinguishes digital libraries from traditional databases is new cost models for client-access to intellectual property. Clients will pay for accessing data items in digital...
Odysseas I. Pentakalos, Daniel A. Menascé, Yelena Yesha
Network attached storage devices improve I/O performance by separating control and data paths and eliminating host intervention during data transfer. Devices are attached to both a high speed network...
Numi: A Framework for Collaborative Data Management in a Network of InfoStations (2007)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
A network of infostations offering high bandwidth islands of data connectivity has often been suggested as a viable alternative to cellular WAN for providing network connectivity for mobile devices....
Science Investigation System for Telescopes in Education Research (2007)
Susan Hoban, John Keating, Joel Sachs, Daniel Laughlin, Yelena Yesha
The Virtual Telescopes in Education (VTIE) project, is providing tools for teaching astronomy in K-12 classrooms using remotely controlled telescopes. VTIE's main goal to promote scientific...
Using Multi-Agent Simulation to Understand Trading Dynamics of a Derivatives Market (2007)
Alan J. King, Olga Streltchenko, Yelena Yesha
A fundamental question that arises in derivative pricing is why investors trade at a "fair" price. A common opinion attributes trading to dierences in the beliefs that market participants...
Efficient Storage and Management of Environmental Information (2007)
Nabil R. Adam, Vijayalakshmi Atluri, Songmei Yu, Yelena Yesha
Spatial Data warehouses pose many challenging requirements with respect to the design of the data model due to the nature of analytical operations and the nature of the views to be maintained by the...
To appear in Journal of Internet Research Alibi: ANovel Approach to Resource Discovery (2007)
The exponential growth ofthe Internet has resulted in what isknown as the resource discovery problem. Although the network makes it possible for users to retrieve enormous amounts of information, it...
Ouri Wolfson, Prasad Sistla, Bo Xu, Jutai Zhou, Sam Chamberlain, Yelena Yesha, ...
Consider a database that represents information about moving objects and their location. For example, for a database representing the location of taxi-cabs a typical query may be: retrieve the free...
Me-Services: A Framework for Secure Personalized (2007)
Discovery Composition And, Anupam Joshi, Timothy Finin, Yelena Yesha
Increasing computational capabilities and decreasing costs of commonly used devices, and the concomitant development of short range, ad-hoc networking technologies, will help realize the pervasive...
Toward Distributed Service Discovery in Pervasive Computing Environments (2007)
Chakraborty, Dipanjan, Joshi, Anupam, Yesha, Yelena, Finin, Tim
The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based...
On the structure, properties and utility of internal corporate blogs (2007)
Pranam Kolari, Tim Finin, Kelly Lyons, Yelena Yesha, Yaacov Yesha, Stephen Perelgut, ...
Weblogs, or blogs are radically changing the face of communication within enterprises. While at the minimum blogs empower employees to publicly voice opinion and share expertise, collectively they...
Toward distributed service discovery in pervasive computing environments (2006)
Dipanjan Chakraborty, Anupam Joshi, Senior Member, Yelena Yesha, Senior Member, Tim Finin
Abstract—The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and...
Toward distributed service discovery in pervasive computing environments (2006)
Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based...
A Pervasive Computing System for the Operating Room of the Future (2006)
Sheetal Agarwal, Anupam Joshi, Tim Finin, Yelena Yesha
We describe a prototype Context Aware Perioperative Information System to capture and interpret data in an operating room of the future. The captured data is used to construct the context of the...
On Homeland Security and the Semantic Web: (2005)
Provenance And Trust, Li Ding, Pranam Kolari, Tim Finin, Anupam Joshi, Yun Peng, ...
This paper focuses on one type of semantic association which is a simple path linking two RDF nodes in an given RDF graph, e.g. Mr. X Company A# Organization B, Osama Bin Laden
Collaborative Joins in a Pervasive Computing Environment (2005)
Filip Perich, Anupam Joshi, Yelena Yesha, Tim Finin
Locating and obtaining context sensitive information in a mobile environment has always been a challenge. This is especially true for pervasive computing environments where in addition to limited...
On homeland security and the semantic web: A provenance and trust aware inference framework (2005)
Li Ding, Pranam Kolari, Tim Finin, Anupam Joshi, Yun Peng, Yelena Yesha
Discovering and evaluating interesting patterns and semantic associations in vast amount of information provided by many different sources is an important and time-consuming work for homeland...
Service discovery in agent-based pervasive computing environments (2004)
Olga Ratsimor, Dipanjan Chakraborty, Deepali Khushraj, Anugeetha Kunjithapatham, Anupam Joshi, Timothy Finin, ...
Directory based service discovery mechanisms are unsuitable for ad-hoc m-commerce environments. Working towards nding an alternate mechanism, we developed Allia: a peer-to-peer caching based and...
reputation we believe: query processing in mobile adhoc networks (2004)
Filip Perich, Anupam Joshi, Jeffrey Undercoffer, Timothy Finin, Lalana Kagal, Yelena Yesha
Research on data management in mobile ad-hoc networks focuses on discovering sources and acquiring information. Mobile devices assume answers to be correct and do not verify the veracity of the...
On Data Management in Pervasive Computing Environments (2004)
Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
This paper presents a framework to address new data management challenges introduced by data-intensive, perva-sive computing environments. These challenges include a spatio-temporal variation of data...
Using Peer-to-Peer Data Routing for Infrastructure-Based Wireless Networks (2003)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. Wireless...
Multi-agent simulation of financial markets (2003)
Olga Streltchenko, Yelena Yesha, Timothy Finin
{streltch I yeyesha I finin}cs. umbc. edu 1
NeighborhoodConsistent Transaction Management for Pervasive Computing Environments (2003)
Filip Perich, Anupam Joshi, Yelena Yesha, Timothy Finin
Abstract. This paper examines the problem of transaction management in pervasive computing environments and presents a new approach to address them. We represent each entity as a mobile or static...
PatientService : Electronic Patient Record Redaction and Delivery in Pervasive Environments (2003)
Amit Choudhri, Lalana Kagal, Anupam Joshi, Timothy Finin, Yelena Yesha
Abstract- E – healthcare today is moving away from the tethered domain and becoming diffused into an environment rich with portable digital devices. In this evolving environment, the need to...
Multi-agent simulation of financial markets (2003)
Olga Streltchenko, Yelena Yesha, Timothy Finin
Simulation of nancial markets is a new fast growing research area with two primary motivations. The rst is the need to provide a development testbed for the ever increasing automation of nancial...
Using Peer-to-Peer Data Routing for Infrastructure-Based Wireless Networks (2003)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. Wireless...
eNcentive: A Framework for Intelligent Marketing in Mobile Peer-To-Peer Environments (2003)
Olga Ratsimor, Tim Finin, Anupam Joshi, Yelena Yesha
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being developed...
eNcentive: A Framework for Intelligent Marketing in Mobile Peer-to-Peer Environments (2003)
Olga Ratsimor, Tim Finin, Anupam Joshi, Yelena Yesha
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being developed...
Profile driven data management for pervasive environments (2002)
Filip Perich, Sasikanth Avancha, Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha
Abstract. The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data...
Olga Ratsimor, Sethuram Balaji Kodeswaran, Anupam Joshi, Tim Finin, Yelena Yesha
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. However, such...
Middleware for Mobile Information Access (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
Mobile information access involves retrieving information from wired service providers. Often there are situations where the information is not available from a single service provider but can be...
A Reactive Service Composition Architecture for Pervasive Computing Environments (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
Technological advances in semiconductor processing and design as well as wireless networking are leading us towards the vision of Pervasive Computing. We envision that in the (near) future, devices...
GSD: A novel group-based service discovery protocol for MANETS (2002)
Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
Abstract — This paper proposes a novel distributed service discovery protocol for Mobile Ad hoc Networks. The protocol is based on the concept of peer-to-peer caching of service advertisements and...
Profile driven data management for pervasive environments (2002)
Filip Perich, Sasikanth Avancha, Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha
Abstract. The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data...
Middleware for Mobile Information Access (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
Mobile information access involves retrieving information from wired service providers. Often there are situations where the information is not available from a single service provider but can be...
Private valuation of contingent claims: Discrete time/state model (2002)
Alan J. King, Olga Streltchenko, Yelena Yesha
The importance of the risk-neutral measure as a pricing operator generates interest in the calibration problem: given observed market prices, retrieve a pricing measure compatible with them. It can...
Profile driven data management for pervasive environments (2002)
Filip Perich, Sasikanth Avancha, Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha
Abstract. The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data...
GSD: A novel group-based service discovery protocol for MANETS (2002)
Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
Abstract — This paper proposes a novel distributed service discovery protocol for Mobile Ad hoc Networks. The protocol is based on the concept of peer-to-peer caching of service advertisements and...
Modeling moving objects for location based services. invited paper (2001)
Ouri Wolfson, Sam Chamberlain, Kostas Kalpakis, Yelena Yesha
Abstract. As prices of basic enabling equipment like smart cell phones, hand holds, wireless modems, and GPS devices continue to drop rapidly, International Data Corp (IDC) predicts that the number...
K.: Query Routing and Processing in Mobile Ad-hoc Environments (2001)
Filip Perich, Sasikanth Avancha, Anupam Joshi, Yelena Yesha, Karuna Joshi
In existing mobile information access systems, mobile devices are typically viewed as consumers of information, with information providers resident on the wired network. With the advent of...
Vigil : Providing trust for enhanced security in pervasive systems (2001)
Lalana Kagal, Jeffrey Undercoffer, Filip Perich, Anupam Joshi, Tim Finin, Yelena Yesha
Computing today is moving away from the desktop, becoming diffused into our surroundings and onto our personal digital devices. Moreover, ad-hoc networks such as Bluetooth provide for spontaneous...
A reference architecture for multi-agent simulation of derivatives markets (2001)
Olga Streltchenko, Nanjangud C. Narendra, Hewlett Packard, Yelena Yesha
A modern nancial market is a society of interacting self-interested agents governed by their preferences. The emerging complexity of the system de-es analytical study of the dependencies between the...
Lalana Kagal, Vladimir Korolev, Sasikanth Avancha, Anupam Joshi, Timothy Finin, Yelena Yesha
In an age where wirelessly networked appliances and devices are becoming commonplace, there is a necessity for providing a standard interface to them that is easily accessible by any mobile user. The...
E-Government: Human-Centered Systems for Business Services (2001)
Nabil Adam Francisco, Francisco Artigas, Vijayalakshmi Atluri, Soon Ae Chun, Sue Colbert, Melania Degeratu, ...
The focus of thi s paper reports a collaborati ve e#ort wi th the State of New Jersey i desi niI andbuiMMDU a human-centered e-government portal to support small and mediF sii enterpri ses that...
E-Government: Human-Centered Systems for Business Services (2001)
Nabil Adam Francisco, Francisco Artigas, Vijayalakshmi Atluri, Soon Ae Chun, Sue Colbert, Melania Degeratu, ...
The focus of thi s paper reports a collaborati ve e#ort wi th the State of New Jersey i desi niI andbuiMMDU a human-centered e-government portal to support small and mediF sii enterpri ses that...
E-Government: HumanCentered Systems for Business Services (2000)
Nabil R. Adam, Francisco Artigas, Vijayalakshmi Atluri, Soon Ae Chun, Sue Colbert, Melania Degeratu, ...
The focus of this paper reports a collaborative effort with the State of New Jersey in designing and building a human-centered e-government portal to support small and medium sized enterprises that...
E-Government: HumanCentered Systems for Business Services (2000)
Nabil R. Adam, Francisco Artigas, Vijayalakshmi Atluri, Soon Ae Chun, Sue Colbert, Melania Degeratu, ...
The focus of this paper reports a collaborative effort with the State of New Jersey in designing and building a human-centered e-government portal to support small and medium sized enterprises that...
Medium Access Control Protocols for Multimedia Traffic in Wireless Networks (1999)
Ian F. Akyildiz, Janise McNair, Loren Carrasco, Ramon Puigjaner, Yelena Yesha
This paper presents a survey on Medium Access Control (MAC) protocols for multimedia traffic in wireless networks. A basic overview of MAC protocol concepts is presented and a framework is developed...
Center of Excellence in Space Data and Information Sciences Annual Report, Year 9 (1998)
This report summarizes the range of computer science related activities undertaken by CESDIS for NASA in the twelve months from July 1, 1996 through June 30, 1997. These activities address issues...
On Data Management in Pervasive Computing Environments (1998)
Perich, Filip, Joshi, Anuparn, Finin, Timothy, Yesha, Yelena
This paper presents a framework to address new data management challenges introduced by data-intensive pervasive computing environments. These challenges include a spatio-temporal variation of data...
In Reputation We Believe: Query Processing in Mobile Ad-Hoc Networks (1998)
Perich, Filip, Undercoffer, Jeffrey, Kagal, Lalana, Joshi, Anupam, Finin, Timothy, Yesha, Yelena
Research on data management in mobile ad-hoc networks focuses on discovering sources and acquiring information. Mobile devices assume answers to be correct and do not verify the veracity of the...
Neighborhood-Consistent Transaction Management for Pervasive Computing Environments (1998)
Perich, Filip, Joshi, Anupam, Yesha, Yelena, Finin, Timothy
This paper examines the problem of transaction management in pervasive computing environments and presents a new approach to address them. We represent each entity as a mobile or static...
Towards Distributed Service Discovery in Pervasive Computing Environments (1998)
Chakraborty, Dipanjan, Joshi, Anupam, Yesha, Yelena, Finin, Tim
The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based...
Vigil: Providing Trust for Enhanced Security in Pervasive Systems (1998)
Kagal, Lalana, Undercoffer, Jeffrey, Perich, Filip, Joshi, Anupam, Finin, Tim, Yesha, Yelena
Computing today is moving away from the desktop, becoming diffused into our surroundings and onto our personal digital devices. Moreover, ad-hoc networks such as Bluetooth provide for spontaneous...
Profile Driven Data Management for Pervasive Environments (1998)
Perich, Filip, Avancha, Sasikanth, Chakraborty, Dipanjan, Joshi, Anupam, Yesha, Yelena
The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data consumers only,...
Ratsimor, Olga, Kodeswaran, Sethuram B., Joshi, Anupam, Finin, Tim, Yesha, Yelena
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. However, such...
ENcentive: A Framework for Intelligent Marketing in Mobile Peer-To-Peer Environments (1998)
Ratsimor, Olga, Finin, Tim, Joshi, Anupam, Yesha, Yelena
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being developed...
Collaborative Joins in a Pervasive Computing Environment (1998)
Perich, Filip, Joshi, Anupam, Yesha, Yelena, Finin, Tim
Locating and obtaining context sensitive information in a mobile environment has always been a challenge. This is especially true for pervasive computing environments where in addition to limited...
Relational Transducers for Electronic Commerce (1998)
Serge Abiteboul, Victor Vianu, Brad Fordham, Yelena Yesha
Electronic commerce is emerging as one of the major Websupported applications requiring database support. We introduce and study high-level declarative specifications of business models, using an...
Relational Transducers for Electronic Commerce (1998)
Serge Abiteboul, Brad Fordham, Victor Vianu, Yelena Yesha
Electronic commerce is emerging as one of the major Web-supported applications requiring database support. We introduce and study highlevel declarative specifications of business models, using an...
Towards a Theory of Cost Management for Digital Libraries (1998)
A. Prasad Sistla, Ouri Wolfson, Yelena Yesha, Robert Sloan
ing with credit is permitted. To copy otherwise, to republish, to post on servers, to redistribute to lists, or to use any component of this work in other works, requires prior specific permission...
Towards a Theory of Cost Management for Digital Libraries (1998)
Prasad Sistla, Ouri Wolfson, Yelena Yesha, Robert Sloan
ing with credit is permitted. To copy otherwise, to republish, to Post on servers, or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from Publications...
Relational Transducers for Electronic Commerce (1998)
Serge Abiteboul, Victor Vianu, Brad Fordham, Yelena Yesha
Electronic commerce is emerging as one of the major Websupported applications requiring database support. We introduce and study high-level declarative specifications of business models, using an...
Evolving Databases: An Application to Electronic Commerce (1997)
Bradley Fordham, Serge Abiteboul, Yelena Yesha
Many complex and dynamic database applications such as product modeling and negotiation monitoring require a number of features that have been adopted in semantic models and databases such as active...
Evolving Databases: An Application to Electronic Commerce (1997)
Bradley Fordham, Serge Abiteboul, Yelena Yesha
Many complex and dynamic database applications such as product modeling and negotiation monitoring require a number of features that have been adopted in semantic models and databases such as active...
Hierarchical Mass Storage, Odysseas I. Pentakalos, Daniel A. Menascé, Milton Halem, Yelena Yesha, Senior Member
Mass storage systems are finding greater use in scientific computing research environments for retrieving and archiving the large volumes of data generated and manipulated by scientific computations....
Pythia and Pythia/WK: Tools for the Performance Analysis of Mass Storage Systems (1996)
Odysseas I. Pentakalos, Daniel A. Menasce, Yelena Yesha
This paper describes the design and operation of two tools, Pythia and Pythia/WK, that assist system managers and integrators in making cost-effective procurement decisions. Pythia automatically...
An Analytic Model of Hierarchical Mass Storage Systems with Network-Attached Storage Devices (1996)
Daniel A. Menascé, Odysseas I. Pentakalos, Yelena Yesha
Network attached storage devices improve I/O performance by separating control and data paths and eliminating host intervention during data transfer. Devices are attached to a high speed network for...
Automated Clustering-Based Workload Characterization (1996)
Odysseas Pentakalos Daniel, Daniel A. Menascž, Yelena Yesha
This paper presents the design and discusses the implementation of a tool for workload characterization of mass storage systems. The main features of the tool discussed here are: . ######### #######...
Automated Clustering-Based Workload Characterization (1996)
Odysseas Pentakalos Daniel, Daniel A. Menascž, Yelena Yesha
This paper presents the design and discusses the implementation of a tool for workload characterization of mass storage systems. The main features of the tool discussed here are: . ######### #######...
Analytical Performance Modeling of Hierarchical Mass Storage Systems (1995)
Odysseas I. Pentakalos, Daniel A. Menascé, Milt Halem, Yelena Yesha
Mass storage systems are finding greater use in scientific computing research environments for retrieving and archiving the large volumes of data generated and manipulated by scientific computations....
Evaluating the Effect of Online Data Compression on the Disk Cache of a Mass Storage System (1995)
Odysseas Pentakalos And, Odysseas I. Pentakalos, Yelena Yesha
Introduction Mass storage systems are used in research environments for storing data generated by scientific simulations and satellite observations in amounts on the order of terabytes. The cost of...
Evaluating the Effect of Online Data Compression on the Disk Cache of a Mass Storage System (1995)
Odysseas Pentakalos, Yelena Yesha
A Unix based mass storage file system which provides access to the stored data only through the ftp protocol has provided the incentive to examine the performance of inserting an online data...
Online Data Compression in a Mass Storage File System (1995)
Odysseas Pentakalos, Yelena Yesha
A Unix based mass storage file system which provides access to the stored data only through the ftp protocol has provided the incentive to examine the performance of inserting an online data...
An Approximate Performance Model of a Unitree Mass Storage System (1995)
Odysseas I. Pentakalos, Daniel A. Menascé, Milt Halem, Yelena Yesha
Mass storage systems are finding greater use in scientific computing research environments for retrieving and archiving the large volumes of data generated and manipulated by scientific computations....
Extensions to the C programming language for enhanced fault detection (1993)
The acceptance of the C programming language by academia and industry is partially responsible for the ‘software crisis’. The simple, trusting semantics of C mask many common faults, such as...
Updating and Querying Databases that Track Mobile Units
Ouri Wolfson, A. Prasad Sistla, Sam Chamberlain, Yelena Yesha
In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and querying such databases....