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EDBT
2002
ACM
129views Database» more  EDBT 2002»
14 years 10 months ago
Schema-Driven Evaluation of Approximate Tree-Pattern Queries
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
Torsten Schlieder
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
14 years 10 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
PET
2009
Springer
14 years 4 months ago
Privacy-Preserving Computation and Verification of Aggregate Queries on Outsourced Databases
: © Privacy-Preserving Computation and Verification of Aggregate Queries on Outsourced Databases Brian Thompson, Stuart Haber, William G. Horne, Tomas Sander, Danfeng Yao HP Labor...
Brian Thompson, Stuart Haber, William G. Horne, To...
ICDE
2008
IEEE
127views Database» more  ICDE 2008»
14 years 11 months ago
Querying Data under Access Limitations
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
Andrea Calì, Davide Martinenghi
VLDB
2007
ACM
118views Database» more  VLDB 2007»
14 years 10 months ago
Materialized Views in Probabilistic Databases for Information Exchange and Query Optimization
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
Christopher Re, Dan Suciu