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» The Query Answering System PRODICOS
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SIGMOD
2001
ACM
229views Database» more  SIGMOD 2001»
14 years 7 months ago
A Robust, Optimization-Based Approach for Approximate Answering of Aggregate Queries
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
Surajit Chaudhuri, Gautam Das, Vivek R. Narasayya
ICDE
2007
IEEE
114views Database» more  ICDE 2007»
14 years 2 months ago
Ranking Issues for Information Integration
Ranking of query/search answers, although introduced by early information retrieval systems, has become mandatory for internet searches. When the answers of a query or search are ...
Aditya Telang, Roochi Mishra, Sharma Chakravarthy
SIGMOD
2008
ACM
115views Database» more  SIGMOD 2008»
14 years 7 months ago
Query answering techniques on uncertain and probabilistic data: tutorial summary
Uncertain data are inherent in some important applications, such as environmental surveillance, market analysis, and quantitative economics research. Due to the importance of thos...
Jian Pei, Ming Hua, Yufei Tao, Xuemin Lin
ICSE
2008
IEEE-ACM
14 years 8 months ago
Answering conceptual queries with Ferret
Programmers seek to answer questions as they investigate the functioning of a software system, such as "which execution path is being taken in this case?" Programmers at...
Brian de Alwis, Gail C. Murphy
ESWS
2005
Springer
14 years 1 months ago
AquaLog: An Ontology-Portable Question Answering System for the Semantic Web
As semantic markup becomes ubiquitous, it will become important to be able to ask queries and obtain answers, using natural language (NL) expressions, rather than the keyword-based...
Vanessa Lopez, Michele Pasin, Enrico Motta