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SIGMOD
2010
ACM
249views Database» more  SIGMOD 2010»
14 years 1 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...
CHI
2004
ACM
14 years 8 months ago
User profiling
A number of global trends have a large influence on the way we use technology in our life and work, like: ? increasing connectivity and connected devices (any time, any place, any...
Johan Schuurmans, Boris E. R. de Ruyter, Harry van...
HPDC
2008
IEEE
13 years 8 months ago
File grouping for scientific data management: lessons from experimenting with real traces
Abstract-The analysis of data usage in a large set of real traces from a high-energy physics collaboration revealed the existence of an emergent grouping of files that we coined &q...
Shyamala Doraimani, Adriana Iamnitchi
WWW
2009
ACM
14 years 9 months ago
Bid optimization for broad match ad auctions
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
Eyal Even-Dar, Vahab S. Mirrokni, S. Muthukrishnan...
GIS
2007
ACM
14 years 9 months ago
Approximate order-k Voronoi cells over positional streams
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
Kostas Patroumpas, Theofanis Minogiannis, Timos K....