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» Keyword Search on Spatial Databases
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EDBT
2012
ACM
255views Database» more  EDBT 2012»
11 years 10 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...
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
14 years 7 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
SIGMOD
2011
ACM
247views Database» more  SIGMOD 2011»
12 years 10 months ago
Collective spatial keyword querying
With the proliferation of geo-positioning and geo-tagging, spatial web objects that possess both a geographical location and a textual description are gaining in prevalence, and s...
Xin Cao, Gao Cong, Christian S. Jensen, Beng Chin ...
DEBU
2010
147views more  DEBU 2010»
13 years 7 months ago
Evaluating the Effectiveness of Keyword Search
The prevalence of free text search in web search engines has inspired recent interest in keyword search on relational databases. Whereas relational queries formally specify matchi...
William Webber
EDBT
2009
ACM
222views Database» more  EDBT 2009»
14 years 2 months ago
Data clouds: summarizing keyword search results over structured data
Keyword searches are attractive because they facilitate users searching structured databases. On the other hand, tag clouds are popular for navigation and visualization purposes o...
Georgia Koutrika, Zahra Mohammadi Zadeh, Hector Ga...