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» Evaluating Location Dependent Queries Using ISLANDS
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DEBS
2009
ACM
15 years 4 months ago
Processing publish/subscribe queries over distributed data streams
We address the problem of processing continuous multi-join queries, over distributed data streams, making use of existing work in the field of publish/subscribe systems. We show ...
Oana Jurca, Sebastian Michel, Alexandre Herrmann, ...
MDBIS
2003
132views Database» more  MDBIS 2003»
14 years 11 months ago
Cache-supported Processing of Queries in Mobile DBS
: The usage of mobile equipment like PDAs, mobile phones, Tablet PCs or laptops is already common in our current information society. Typically, mobile information systems work in ...
Hagen Höpfner, Kai-Uwe Sattler
CLEF
2006
Springer
15 years 1 months ago
MSRA Columbus at GeoCLEF 2006
This paper describes the participation of Columbus Project of Microsoft Research Asia (MSRA) in the GeoCLEF 2006 (a cross-language geographical retrieval track which is part of Cr...
Zhisheng Li, Chong Wang 0002, Xing Xie, Xufa Wang,...
SIGIR
2009
ACM
15 years 4 months ago
Query dependent pseudo-relevance feedback based on wikipedia
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
Yang Xu, Gareth J. F. Jones, Bin Wang
EDBT
2012
ACM
255views Database» more  EDBT 2012»
12 years 12 months ago
Top-k spatial keyword queries on road networks
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...
João B. Rocha-Junior, Kjetil Nørv&ar...