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EDBT
1998
ACM
155views Database» more  EDBT 1998»
14 years 1 months ago
Improving the Query Performance of High-Dimensional Index Structures by Bulk-Load Operations
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
ICDE
2004
IEEE
117views Database» more  ICDE 2004»
14 years 10 months ago
Probe, Cluster, and Discover: Focused Extraction of QA-Pagelets from the Deep Web
In this paper, we introduce the concept of a QA-Pagelet to refer to the content region in a dynamic page that contains query matches. We present THOR, a scalable and efficient min...
James Caverlee, Ling Liu, David Buttler
LPAR
2010
Springer
13 years 7 months ago
Speed-Up Techniques for Negation in Grounding
Abstract. Grounding is the task of reducing a first order formula to ground formula that is equivalent on a given universe, and is important in many kinds of problem solving and re...
Amir Aavani, Shahab Tasharrofi, Gulay Ünel, E...
COMAD
2009
13 years 10 months ago
Querying for relations from the semi-structured Web
We present a class of web queries whose result is a multi-column relation instead of a collection of unstructured documents as in standard web search. The user specifies the query...
Sunita Sarawagi
CIKM
2006
Springer
14 years 24 days ago
SaLSa: computing the skyline without scanning the whole sky
Skyline queries compute the set of Pareto-optimal tuples in a relation, i.e., those tuples that are not dominated by any other tuple in the same relation. Although several algorit...
Ilaria Bartolini, Paolo Ciaccia, Marco Patella