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» Constraint-Based XML Query Rewriting For Data Integration
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NAACL
2010
14 years 7 months ago
Learning Dense Models of Query Similarity from User Click Logs
The goal of this work is to integrate query similarity metrics as features into a dense model that can be trained on large amounts of query log data, in order to rank query rewrit...
Fabio De Bona, Stefan Riezler, Keith Hall, Massimi...
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
14 years 9 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 1 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
SIGMOD
2003
ACM
144views Database» more  SIGMOD 2003»
15 years 9 months ago
A Multi-paradigm Querying Approach for a Generic Multimedia Database Management System
To truly meet the requirements of multimedia database (MMDB) management, an integrated framework for modeling, managing and retrieving various kinds of media data in a uniform way...
Ji-Rong Wen, Qing Li, Wei-Ying Ma, HongJiang Zhang
ICEIS
2009
IEEE
15 years 4 months ago
DeXIN: An Extensible Framework for Distributed XQuery over Heterogeneous Data Sources
Abstract. In the Web environment, rich, diverse sources of heterogeneous and distributed data are ubiquitous. In fact, even the information characterizing a single entity - like, f...
Muhammad Intizar Ali, Reinhard Pichler, Hong Linh ...