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VLDB
1998
ACM
153views Database» more  VLDB 1998»
15 years 2 months ago
Small Materialized Aggregates: A Light Weight Index Structure for Data Warehousing
Small Materialized Aggregates (SMAs for short) are considered a highly flexible and versatile alternative for materialized data cubes. The basic idea is to compute many aggregate ...
Guido Moerkotte
VLDB
2002
ACM
184views Database» more  VLDB 2002»
15 years 10 months ago
Database indexing for large DNA and protein sequence collections
Our aim is to develop new database technologies for the approximate matching of unstructured string data using indexes. We explore the potential of the suffix tree data structure i...
Ela Hunt, Malcolm P. Atkinson, Robert W. Irving
111
Voted
ESWS
2008
Springer
14 years 11 months ago
Exploring the Knowledge in Semi Structured Data Sets with Rich Queries
Semantics can be integrated in to search processing during both document analysis and querying stages. We describe a system that incorporates both, semantic annotations of Wikipedi...
Jürgen Umbrich, Sebastian Blohm
GECCO
2008
Springer
168views Optimization» more  GECCO 2008»
14 years 11 months ago
Parameterizing pair approximations for takeover dynamics
Pair approximations have often been used to predict equilibrium conditions in spatially-explicit epidemiological and ecological systems. In this work, we investigate whether this ...
Joshua L. Payne, Margaret J. Eppstein
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
15 years 10 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....