Sciweavers

2756 search results - page 273 / 552
» Searching the Web: From Keywords to Semantic Queries
Sort
View
SEMWEB
2010
Springer
15 years 4 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
WWW
2008
ACM
16 years 7 months ago
Performance of compressed inverted list caching in search engines
Due to the rapid growth in the size of the web, web search engines are facing enormous performance challenges. The larger engines in particular have to be able to process tens of ...
Jiangong Zhang, Xiaohui Long, Torsten Suel
EDBT
2002
ACM
246views Database» more  EDBT 2002»
16 years 6 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt
GEOINFO
2007
15 years 8 months ago
Ecologically-aware Queries for Biodiversity Research
To carry ecologically-relevant biodiversity research, one must collect chunks of information on species and their habitats from a large number of institutions and correlate them us...
Luiz Celso Gomes Jr., Claudia Bauzer Medeiros
KDD
2007
ACM
192views Data Mining» more  KDD 2007»
16 years 7 months ago
Active exploration for learning rankings from clickthrough data
We address the task of learning rankings of documents from search engine logs of user behavior. Previous work on this problem has relied on passively collected clickthrough data. ...
Filip Radlinski, Thorsten Joachims