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» Processing Queries over Distributed XML Databases
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SIGMOD
1998
ACM
121views Database» more  SIGMOD 1998»
14 years 1 months ago
New Sampling-Based Summary Statistics for Improving Approximate Query Answers
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...
Phillip B. Gibbons, Yossi Matias
CAISE
2003
Springer
14 years 2 months ago
Sharing Mobile Databases in Dynamically Configurable Environments
We define a Mobile Database Community (MDBC) as a dynamic collection of autonomous mobile databases in which each database user can access databases in the community through a wir...
Angelo Brayner, José de Aguiar Moraes Filho
SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
12 years 11 months ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...
ER
2004
Springer
161views Database» more  ER 2004»
14 years 2 months ago
Towards a Statistically Semantic Web
The envisioned Semantic Web aims to provide richly annotated and explicitly structured Web pages in XML, RDF, or description logics, based upon underlying ontologies and thesauri. ...
Gerhard Weikum, Jens Graupmann, Ralf Schenkel, Mar...
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 9 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...