280 search results - page 42 / 56 » Semantic self-assessment of query results in dynamic environ... |
GIS
2009
ACM
14 years 3 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
BXML
2003
13 years 10 months ago
2003
: E-Learning offers the advantage of interactivity: an E-Learning system can adapt the learning materials to suit the learner’s personality and his goals, and it can react to the...
ESWS
2010
Springer
13 years 10 months ago
2010
Springer
Many systems exist for community formation in extensions of traditional Web environments but little work has been done for forming and maintaining communities in the more dynamic e...
TKDE
2002
13 years 8 months ago
2002
As technological advances are made in software and hardware, the feasibility of accessing information "any time, anywhere" is becoming a reality. Furthermore, the diversi...
NLDB
2007
Springer
14 years 3 months ago
2007
Springer
Information retrieval needs to match relevant texts with a given query. Selecting appropriate parts is useful when documents are long, and only portions are interesting to the user...