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» Optimizing SQL Queries over Text Databases
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EDBT
2009
ACM
116views Database» more  EDBT 2009»
14 years 2 months ago
Ranking objects based on relationships and fixed associations
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
Albert Angel, Surajit Chaudhuri, Gautam Das, Nick ...
EDBT
2012
ACM
228views Database» more  EDBT 2012»
12 years 15 days ago
Towards scalable data integration under constraints
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
George Konstantinidis, José Luis Ambite
WEBDB
2007
Springer
79views Database» more  WEBDB 2007»
14 years 4 months ago
Navigating Extracted Data with Schema Discovery
Open Information Extraction (OIE) is a recently-introduced type of information extraction that extracts small individual pieces of data from input text without any domainspecific...
Michael J. Cafarella, Dan Suciu, Oren Etzioni
SIGMOD
2005
ACM
155views Database» more  SIGMOD 2005»
14 years 10 months ago
On Boosting Holism in XML Twig Pattern Matching using Structural Indexing Techniques
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
Ting Chen, Jiaheng Lu, Tok Wang Ling
DASFAA
2008
IEEE
105views Database» more  DASFAA 2008»
14 years 4 months ago
Redundant Array of Inexpensive Nodes for DWS
The DWS (Data Warehouse Striping) technique is a round-robin data partitioning approach especially designed for distributed data warehousing environments. In DWS the fact tables ar...
Jorge Vieira, Marco Vieira, Marco Costa, Henrique ...