104 search results - page 3 / 21 » Index structures and algorithms for querying distributed RDF... |
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
CIKM
2005
Springer
13 years 7 months ago
2005
Springer
We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...
WWW
2010
ACM
13 years 10 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
COMAD
2008
13 years 6 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...