169 search results - page 2 / 34 » Concept Based Representations for Ranking in Geographic Info... |
GIR
2007
ACM
13 years 8 months ago
2007
ACM
This paper introduces the concept of spatial filters as an approach to increasing the relevance of the information retrieved by users of mobile information systems. This approach ...
GEOS
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Conceptual Graphs are a very powerful knowledge and meaning representation formalism grounded on deep philosophical, linguistic and object oriented principles [1], [2]. C...
COSIT
2001
Springer
13 years 9 months ago
2001
Springer
Geographical context is required of many information retrieval tasks in which the target of the search may be documents, images or records which are referenced to geographical spac...
KCAP
2005
ACM
13 years 10 months ago
2005
ACM
In view of the need to provide tools to facilitate the reuse of existing knowledge structures such as ontologies, we present in this paper a system, AKTiveRank, for the ranking of...
INEX
2009
Springer
13 years 9 months ago
2009
Springer
We describe our participation in the INEX 2009 Entity Ranking track. We employ a probabilistic retrieval model for entity search in which term-based and category-based representati...