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» Containment of Aggregate Queries
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LAWEB
2003
IEEE
15 years 9 months ago
Using Association Rules to Discover Search Engines Related Queries
This work presents a method for automatic generate suggestions of related queries submitted to Web search engines. The method extracts information from the log of past submitted q...
Bruno M. Fonseca, Paulo Braz Golgher, Edleno Silva...
RIAO
2007
15 years 5 months ago
An Information Retrieval Driven by Ontology: from Query to Document Expansion
The paper proposes an approach to information retrieval based on the use of a structure (ontology) both for document (resp. query) indexing and query evaluating. The conceptual st...
Mustapha Baziz, Mohand Boughanem, Gabriella Pasi, ...
ICASSP
2011
IEEE
14 years 8 months ago
Handling verbose queries for spoken document retrieval
1 Query-by-example information retrieval provides users a flexible but efficient way to accurately describe their information needs. The query exemplars are usually long and in th...
Shih-Hsiang Lin, Ea-Ee Jan, Berlin Chen
PODS
2004
ACM
98views Database» more  PODS 2004»
16 years 4 months ago
Processing First-Order Queries under Limited Access Patterns
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...
Alan Nash, Bertram Ludäscher
EDBT
2009
ACM
113views Database» more  EDBT 2009»
15 years 11 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin