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» Inferring Answers to Queries
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VLDB
2003
ACM
141views Database» more  VLDB 2003»
14 years 10 months ago
Computing complete answers to queries in the presence of limited access patterns
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
Chen Li
VLDB
2004
ACM
96views Database» more  VLDB 2004»
14 years 3 months ago
Answering XPath Queries over Networks by Sending Minimal Views
When a client submits a set of XPath queries to a XML database on a network, the set of answer sets sent back by the database may include redundancy in two ways: some elements may...
Keishi Tajima, Yoshiki Fukui
ICDE
2008
IEEE
200views Database» more  ICDE 2008»
14 years 11 months ago
Answering Keyword Queries on XML Using Materialized Views
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...
Ziyang Liu, Yi Chen
DOLAP
2009
ACM
14 years 4 months ago
View usability and safety for the answering of top-k queries via materialized views
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
Eftychia Baikousi, Panos Vassiliadis
ACL
2007
13 years 11 months ago
Statistical Machine Translation for Query Expansion in Answer Retrieval
We present an approach to query expansion in answer retrieval that uses Statistical Machine Translation (SMT) techniques to bridge the lexical gap between questions and answers. S...
Stefan Riezler, Alexander Vasserman, Ioannis Tsoch...