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» Answering Queries using Humans, Algorithms and Databases
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ICDT
2009
ACM
198views Database» more  ICDT 2009»
14 years 8 months ago
Consistent query answering under primary keys: a characterization of tractable queries
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
Jef Wijsen
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
13 years 5 months ago
The Hybrid-Layer Index: A synergic approach to answering top-k queries in arbitrary subspaces
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
Jun-Seok Heo, Junghoo Cho, Kyu-Young Whang
WIDM
2003
ACM
14 years 18 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
WWW
2006
ACM
14 years 8 months ago
Retroactive answering of search queries
Major search engines currently use the history of a user's actions (e.g., queries, clicks) to personalize search results. In this paper, we present a new personalized service...
Beverly Yang, Glen Jeh
ICDE
2008
IEEE
200views Database» more  ICDE 2008»
14 years 8 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