397 search results - page 18 / 80 » Evaluating Location Dependent Queries Using ISLANDS |
DPD
2002
14 years 9 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
IIS
2003
14 years 11 months ago
2003
Abstract. In this paper we consider the problem of web search results clustering in the Polish language, supporting our analysis with results acquired from an experimental system n...
IS
2007
14 years 9 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
GIR
2006
ACM
15 years 3 months ago
2006
ACM
Metonymic location names refer to other, related entities and possess a meaning different from the literal, geographic sense. Metonymic names are to be treated differently to im...
INFOCOM
2005
IEEE
15 years 3 months ago
2005
IEEE
Data dissemination in sensor networks requires four components: resource discovery, route establishment, packet forwarding, and route maintenance. Resource discovery can be the mos...