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ICDE
2006
IEEE
108views Database» more  ICDE 2006»
16 years 8 months ago
Skyline Queries Against Mobile Lightweight Devices in MANETs
Skyline queries are well suited when retrieving data according to multiple criteria. While most previous work has assumed a centralized setting this paper considers skyline queryi...
Zhiyong Huang, Christian S. Jensen, Hua Lu, Beng C...
ICDE
2005
IEEE
86views Database» more  ICDE 2005»
16 years 8 months ago
Proactive Caching for Spatial Queries in Mobile Environments
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
Haibo Hu, Jianliang Xu, Wing Sing Wong, Baihua Zhe...
ICDE
2001
IEEE
121views Database» more  ICDE 2001»
16 years 8 months ago
Integrating Semi-Join-Reducers into State of the Art Query Processors
Semi-join reducers were introduced in the late seventies as a means to reduce the communication costs of distributed database systems. Subsequent work in the eighties showed, howe...
Konrad Stocker, Donald Kossmann, Reinhard Braumand...
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GIS
2003
ACM
16 years 8 months ago
Processing in-route nearest neighbor queries: a comparison of alternative approaches
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
Shashi Shekhar, Jin Soung Yoo
GIS
2004
ACM
16 years 8 months ago
Query processing in a geographic mediation system
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...
François-Marie Colonna, Mehdi Essid, Omar B...