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ICDE
2006
IEEE
162views Database» more  ICDE 2006»
16 years 1 months ago
Efficient Batch Top-k Search for Dictionary-based Entity Recognition
We consider the problem of speeding up Entity Recognition systems that exploit existing large databases of structured entities to improve extraction accuracy. These systems requir...
Amit Chandel, P. C. Nagesh, Sunita Sarawagi
ICDE
2006
IEEE
139views Database» more  ICDE 2006»
16 years 1 months ago
MiniCount: Efficient Rewriting of COUNT-Queries Using Views
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
Prodromos Malakasiotis, Václav Lín, ...
GIS
2004
ACM
16 years 26 days ago
Time-dependent affine triangulation of spatio-temporal data
In the geometric data model [6], spatio-temporal data are modelled as a finite collection of triangles that are transformed by time-dependent affinities. To facilitate querying an...
Sofie Haesevoets, Bart Kuijpers
WWW
2004
ACM
16 years 15 days ago
XML data mediator integrated solution for xml roundtrip from xml to relational
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...
Nianjun Zhou, George A. Mihaila, Dikran S. Melikse...
KDD
2007
ACM
155views Data Mining» more  KDD 2007»
16 years 7 days ago
Mining templates from search result records of search engines
Metasearch engine, Comparison-shopping and Deep Web crawling applications need to extract search result records enwrapped in result pages returned from search engines in response ...
Hongkun Zhao, Weiyi Meng, Clement T. Yu