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» Estimating Recall and Precision for Vague Queries in Databas...
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WIDM
2003
ACM
14 years 27 days ago
Answering imprecise database queries: a novel approach
A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...
Ullas Nambiar, Subbarao Kambhampati
VLDB
2001
ACM
151views Database» more  VLDB 2001»
14 years 7 months ago
Approximate query mapping: Accounting for translation closeness
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
EDBT
2010
ACM
210views Database» more  EDBT 2010»
13 years 9 months ago
Keyword search for data-centric XML collections with long text fields
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Current approaches for supporting such queries are either for textcentric XM...
Arash Termehchy, Marianne Winslett
DEXAW
2007
IEEE
157views Database» more  DEXAW 2007»
13 years 11 months ago
Dimensionality Reduction in a P2P System
Peers and data objects in the Hybrid Overlay Network (HON) are organized in a ndimensional feature space. As the dimensionality increases, peers and data objects become sparse and ...
Mouna Kacimi, Kokou Yétongnon
SIGIR
2004
ACM
14 years 1 months ago
Query-related data extraction of hidden web documents
The larger amount of information on the Web is stored in document databases and is not indexed by general-purpose search engines (i.e., Google and Yahoo). Such information is dyna...
Yih-Ling Hedley, Muhammad Younas, Anne E. James, M...