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» Using Queries to Improve Database Reverse Engineering
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SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
15 years 9 months ago
Rewriting nested XML queries using nested views
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
Nicola Onose, Alin Deutsch, Yannis Papakonstantino...
KDD
2009
ACM
183views Data Mining» more  KDD 2009»
15 years 10 months ago
OLAP on search logs: an infrastructure supporting data-driven applications in search engines
Search logs, which contain rich and up-to-date information about users' needs and preferences, have become a critical data source for search engines. Recently, more and more ...
Bin Zhou 0002, Daxin Jiang, Jian Pei, Hang Li
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DAMON
2007
Springer
15 years 3 months ago
Vectorized data processing on the cell broadband engine
In this work, we research the suitability of the Cell Broadband Engine for database processing. We start by outlining the main architectural features of Cell and use microbenchmar...
Sándor Héman, Niels Nes, Marcin Zuko...
EDBTW
2006
Springer
15 years 1 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
AVI
2008
14 years 10 months ago
Query-through-drilldown: data-oriented extensional queries
Traditional database query formulation is intensional: at the level of schemas, table and column names. Previous work has shown that filters can be created using a query paradigm ...
Alan J. Dix, Damon Oram