Kaushik Chakrabarti, Michael Ortega, Kriengkrai Porkaew, Sharad Mehrotra, Leejay Wu, Christos Faloutsos, ...
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...
Database Support for Situational Awareness (2008)
Iosif Lazaridis, Sharad Mehrotra, Kriengkrai Porkaew
Abstract. Providing database support for interactive 3D Visualization and Situational Awareness (SA) is one of the keys to making such systems scale to the complexity of real-world scenarios. It is...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Mehrotra
In many applications, users specify target values for certain attributes/features without requiring exact matches to these values in return. Instead, the result is typically a ranked list of...
Kaushik Chakrabarti, Kriengkrai Porkaew, Michael Ortega, Sharad Mehrotra
In many applications, users specify target values for certain attributes/features without requiring exact matches to these values in return. Instead, the result is typically a ranked list of “top k...
VLDB Submission Number 200 Refining Top-k Selection Queries based on User Feedback (2007)
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Mehrotra
In many applications, users specify target values for certain attributes/features, without requiring exact matches to these values in return. Instead, the result is typically a ranked list of...
Kriengkrai Porkaew, Iosif Lazaridis, Sharad Mehrotra
Abstract. In dynamic spatio-temporal environments where objects may continuously move in space, maintaining consistent information about the location of objects and processing motion-specific queries...
Announcements and Notices (2007)
Kaushik Chakrabarti, Michael Ortega, Kriengkrai Porkaew, Sharad Mehrotra, Leejay Wu, Christos Faloutsos, ...
TCDE Election Notice and Position Statement.................................................... 50 TCDE Election Ballot.................................................................... back cover...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Mehrotra
In many applications, users specify target values for certain attributes/features without requiring exact matches to these values in return. Instead, the result is typically a ranked list of the top...
Evaluating refined queries in top-k retrieval systems (2004)
Kaushik Chakrabarti, Michael Ortega-binderberger, Sharad Mehrotra, Kriengkrai Porkaew
Abstract—In many applications, users specify target values for certain attributes/features without requiring exact matches to these values in return. Instead, the result is typically a ranked list...
Dynamic Queries over Mobile Objects (2002)
Iosif Lazaridis, Kriengkrai Porkaew, Sharad Mehrotra
Abstract. Increasingly applications require the storage and retrieval of spatio-temporal information in a database management system. A type of such information is mobile objects, i.e., objects whose...
Situational Awareness over Large Spatio-Temporal Databases", Workshop at the (2001)
Sharad Mehrotra, Iosif Lazaridis, Kriengkrai Porkaew
Abstract. Providing database support for interactive 3D Visualization and Situational Awareness (SA) is one of the keys to making such systems scale to the complexity of real-world scenarios. It is...
Efficient Query Refinement in Multimedia Databases (2000)
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Mehrotra
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects (e.g., images,...
Efficient Query Refinement in Multimedia Databases (2000)
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Mehrotra
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects (e.g., images,...
WebMARS: A Multimedia Search Engine (2000)
Michael Ortega-Binderberger, Sharad Mehrotra, Kaushik Chakrabarti, Kriengkrai Porkaew
The Web provides a large repository of multimedia data, text, images, etc. Most current search engines focus on textual retrieval. In this paper, we focus on using an integrated textual and visual...
WebMARS: A Multimedia Search Engine (2000)
Michael Ortega-Binderberger, Sharad Mehrotra, Kaushik Chakrabarti, Kriengkrai Porkaew
The Web provides a large repository of multimedia data, text, images, etc. Most current search engines focus on textual retrieval. In this paper, we focus on using an integrated textual and visual...
Query Refinement for Content Based Multimedia Retrieval (1999)
Kriengkrai Porkaew, Kaushik Chakrabarti, Sharad Mehrotra
During the past few years, content-based multimedia retrieval has become one of the most active areas of research. Unlike traditional database queries, content-based multimedia retrieval queries are...
Query refinement for multimedia similarity retrieval (1999)
Kriengkrai Porkaew, Kaushik Chakrabarti, Sharad Mehrotra
Advances in image processing, database management, and information retrieval has resulted in content-based multimedia retrieval to emerge as an important area of
Similar shape retrieval in mars (1999)
Kaushik Chakrabarti, Michael Ortega-binderberger, Kriengkrai Porkaew, Sharad Mehrotra
This paper presents a novel approach to representing 2-d shapes that adaptively models different portions of the shape at different resolutions, having higher resolution where it improves the quality...
Similarity Search Using Multiple Examples in MARS (1999)
Kriengkrai Porkaew, Sharad Mehrotra, Michael Ortega, Kaushik Chakrabarti
Unlike traditional database management systems, in multimedia databases that support content-based retrieval over multimedia objects, it is difficult for users to express their exact information need...
Similarity Search Using Multiple Examples in MARS (1999)
Kriengkrai Porkaew, Sharad Mehrotra, Michael Ortega, Kaushik Chakrabarti
Unlike traditional database management systems, in multimedia databases that support content-based retrieval over multimedia objects, it is difficult for users to express their exact information need...
Similar Shape Retrieval in MARS (1999)
Kaushik Chakrabarti, Michael Ortega-Binderberger, Kriengkrai Porkaew, Peng Zuo, Sharad Mehrotra
This paper presents a novel approach to representing 2-d shapes that adaptively models different portions of the shape at different resolutions, having higher resolution where it improves the quality...
Query Reformulation for Content Based Multimedia Retrieval in MARS (1999)
Kriengkrai Porkaew, Sharad Mehrotra, Michael Ortega
Unlike traditional database management systems, in multimedia databases that support content based retrieval over multimedia objects, it is difficult for users to express their exact information need...
Similar Shape Retrieval in MARS (1999)
Kaushik Chakrabarti Michael, Michael Ortega-binderberger, Kriengkrai Porkaew, Peng Zuo, Sharad Mehrotra
This paper presents a novel approach to representing 2-d shapes that adaptively models different portions of the shape at different resolutions, having higher resolution where it improves the quality...
Query Refinement for Multimedia Similarity Retrieval in MARS (1999)
Kriengkrai Porkaew, Kaushik Chakrabarti, Sharad Mehrotra
During the past few years, content-based multimedia retrieval has become one of the most active areas of research. Unlike traditional database queries, content-based multimedia retrieval queries are...
Query Refinement for Multimedia Similarity Retrieval in MARS (1999)
Kriengkrai Porkaew, Kaushik Chakrabarti, Sharad Mehrotra
During the past few years, content-based multimedia retrieval has become one of the most active areas of research. Unlike traditional database queries, content-based multimedia retrieval queries are...
Information Retrieval over Multimedia Documents (1999)
Michael Ortega, Kriengkrai Porkaew, Sharad Mehrotra
While there are many textual and image retrieval systems, few have explored the granularity of the retrieval unit and the use of all available information for retrieval. This paper presents our work...
Information Retrieval over Multimedia Documents (1999)
Michael Ortega, Kriengkrai Porkaew, Sharad Mehrotra
While there are many textual and image retrieval systems, few have explored the granularity of the retrieval unit and the use of all available information for retrieval. This paper presents our work...
Query Reformulation for Content Based Multimedia Retrieval in MARS (1999)
Kriengkrai Porkaew, Sharad Mehrotra, Michael Ortega
Unlike traditional database management systems, in content-based multimedia retrieval databases, it is difficult for users to express their exact information need directly in a precise query. A...
Supporting Ranked Boolean Similarity Queries in MARS (1998)
Michael Ortega, Yong Rui, Kaushik Chakrabarti, Kriengkrai Porkaew, Thomas S. Huang, Sharad Mehrotra Y
To address the emerging needs of applications that require access to and retrieval of multimedia objects, we are developing the Multimedia Analysis and Retrieval System (MARS) [29]. In this paper, we...
Processing Uncertainty Queries In Database Management Systems (1998)
Kaushik Chakrabarti, Sharad Mehrotra, Michael Ortega, Kriengkrai Porkaew, Robert Winkler
Emerging applications, including many military applications, require explicit mechanisms to represent and process uncertainty in queries and in the data stored in databases. Most current approaches...
Query Reformulation for Content Based Multimedia Retrieval in MARS (1998)
Kriengkrai Porkaew, Sharad Mehrotra, Michael Ortega
Unlike traditional database management systems, in multimedia databases that support contentbased retrieval over multimedia objects, it is difficult for users to express their exact information need...
Supporting Ranked Boolean Similarity Queries in MARS (1998)
Michael Ortega, Yong Rui, Kaushik Chakrabarti, Kriengkrai Porkaew, Thomas S. Huang, Sharad Mehrotra
To address the emerging needs of applications that require access to and retrieval of multimedia objects, we are developing the Multimedia Analysis and Retrieval System (MARS) [29]. In this paper, we...