Sciweavers

1452 search results - page 210 / 291
» The Effectiveness of Query Expansion for Distributed Informa...
Sort
View
DCC
2007
IEEE
14 years 7 months ago
Nonuniform Compression in Databases with Haar Wavelet
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
S. Chen, A. Nucci
ESWS
2008
Springer
13 years 9 months ago
The Creation and Evaluation of iSPARQL Strategies for Matchmaking
Abstract. This research explores a new method for Semantic Web service matchmaking based on iSPARQL strategies, which enables to query the Semantic Web with techniques from traditi...
Christoph Kiefer, Abraham Bernstein
SIGMOD
2010
ACM
166views Database» more  SIGMOD 2010»
13 years 5 months ago
Efficient two-sided error-tolerant search
We consider fast two-sided error-tolerant search that is robust against errors both on the query side (type alogrithm, find documents with algorithm) as well as on the document si...
Hannah Bast, Marjan Celikik
WWW
2005
ACM
14 years 8 months ago
Executing incoherency bounded continuous queries at web data aggregators
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Ashish Puri, Krithi Ramamritham
DC
2001
13 years 9 months ago
Geographic data clearinghouse activity in GSI
Preparation of geographic metadata and development of geographic data clearinghouses take a very important role to promote dissemination of Geographic data. We would like to intro...
Noriyuki Takakuwa