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SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
15 years 11 months ago
Active knowledge: dynamically enriching RDF knowledge bases by web services
The proliferation of knowledge-sharing communities and the advances in information extraction have enabled the construction of large knowledge bases using the RDF data model to re...
Nicoleta Preda, Gjergji Kasneci, Fabian M. Suchane...
SIGIR
2010
ACM
15 years 10 months ago
The demographics of web search
How does the web search behavior of “rich” and “poor” people differ? Do men and women tend to click on different results for the same query? What are some queries almost...
Ingmar Weber, Carlos Castillo
JAIR
2008
173views more  JAIR 2008»
15 years 6 months ago
Creating Relational Data from Unstructured and Ungrammatical Data Sources
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
Matthew Michelson, Craig A. Knoblock
IR
2007
15 years 6 months ago
Restricted inflectional form generation in management of morphological keyword variation
Word form normalization through lemmatization or stemming is a standard procedure in information retrieval because morphological variation needs to be accounted for and several la...
Kimmo Kettunen, Eija Airio, Kalervo Järvelin
JCP
2007
118views more  JCP 2007»
15 years 6 months ago
Dynamic Nonuniform Data Approximation in Databases with Haar Wavelet
Abstract— 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...
Su Chen, Antonio Nucci