609 search results - page 20 / 122 » Collective spatial keyword querying |
GIS
2008
ACM
14 years 9 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
In this poster, we present a method for extracting queries related to real-life events, or news-related queries, from large web query logs. The method employs query frequencies an...
WWW
2009
ACM
14 years 3 months ago
2009
ACM
This paper proposes an effective approach to provide relevant search terms for conceptual Web search. ‘Semantic Term Suggestion’ function has been included so that users can f...
GEOS
2005
Springer
14 years 2 months ago
2005
Springer
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Query reformulation modifies the original query with the aim of better matching the vocabulary of the relevant documents, and consequently improving ranking effectiveness. Previou...