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JOT
2007
113views more  JOT 2007»
15 years 2 months ago
Pattern-Oriented Design for Multi-Agent System: A Conceptual Model
Design patterns represent solutions to specific problem of developing one application that have evolved over time. They leverage the reuse level to the design phase by providing a...
Radziah Mohamad, Safaai Deris, Hany H. Ammar
WSDM
2010
ACM
210views Data Mining» more  WSDM 2010»
16 years 14 days ago
Towards Recency Ranking in Web Search
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...
Anlei Dong, Yi Chang, Zhaohui Zheng, Gilad Mishne,...
ICDE
2004
IEEE
85views Database» more  ICDE 2004»
16 years 4 months ago
Selectivity Estimation for String Predicates: Overcoming the Underestimation Problem
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...
Surajit Chaudhuri, Venkatesh Ganti, Luis Gravano
SIGMOD
2007
ACM
102views Database» more  SIGMOD 2007»
16 years 3 months ago
Finding shapes in a set of points
We present a tool for querying a set of points for geometric shapes. This tool was developed as part of a larger project studying the architecture of 13th century French churches....
Kenneth A. Ross, David Vespe, David Hessing, Prana...
CAISE
2006
Springer
15 years 6 months ago
VisAVis: An Approach to an Intermediate Layer between Ontologies and Relational Database Contents
This paper introduces an approach to mapping relational database contents to ontologies. The current effort is motivated by the need of including into the Semantic Web volumes of w...
Nikolaos Konstantinou, Dimitrios-Emmanuel Spanos, ...