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» Answering Queries Using Views
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VLDB
2000
ACM
155views Database» more  VLDB 2000»
15 years 6 months ago
ICICLES: Self-Tuning Samples for Approximate Query Answering
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
Venkatesh Ganti, Mong-Li Lee, Raghu Ramakrishnan
120
Voted
PODS
2010
ACM
242views Database» more  PODS 2010»
15 years 7 months ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak
ICDT
2010
ACM
195views Database» more  ICDT 2010»
15 years 6 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
157
Voted
XSYM
2007
Springer
150views Database» more  XSYM 2007»
15 years 8 months ago
Fast Answering of XPath Query Workloads on Web Collections
Several web applications (such as processing RSS feeds or web service messages) rely on XPath-based data manipulation tools. Web developers need to use XPath queries effectively o...
Mariano P. Consens, Flavio Rizzolo
159
Voted
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
16 years 2 months ago
Approximate XML Query Answers
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....