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ICDT
2007
ACM
117views Database» more  ICDT 2007»
15 years 4 months ago
Preferentially Annotated Regular Path Queries
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...
Gösta Grahne, Alex Thomo, William W. Wadge
SIGMOD
1992
ACM
160views Database» more  SIGMOD 1992»
15 years 2 months ago
Extensible/Rule Based Query Rewrite Optimization in Starburst
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...
Hamid Pirahesh, Joseph M. Hellerstein, Waqar Hasan
FQAS
2006
Springer
136views Database» more  FQAS 2006»
15 years 1 months ago
Robust Query Processing for Personalized Information Access on the Semantic Web
Abstract. Research in Cooperative Query answering is triggered by the observation that users are often not able to correctly formulate queries to databases that return the intended...
Peter Dolog, Heiner Stuckenschmidt, Holger Wache
SIGIR
1999
ACM
15 years 2 months ago
Summarizing Text Documents: Sentence Selection and Evaluation Metrics
Human-quality text summarization systems are di cult to design, and even more di cult to evaluate, in part because documents can di er along several dimensions, such as length, wri...
Jade Goldstein, Mark Kantrowitz, Vibhu O. Mittal, ...