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» Detecting dominant locations from search queries
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VLDB
2007
ACM
137views Database» more  VLDB 2007»
16 years 5 days ago
Detecting Attribute Dependencies from Query Feedback
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
Peter J. Haas, Fabian Hueske, Volker Markl
DIGITALCITIES
2003
Springer
15 years 11 months ago
Map-Based Range Query Processing for Geographic Web Search Systems
In order to utilize geographic web information for digital city applications, we have been developing a geographic web search system, KyotoSEARCH. When users retrieve geographic in...
Ryong Lee, H. Shiina, Taro Tezuka, Yusuke Yokota, ...
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
16 years 6 months ago
Adaptive location constraint processing
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
Zhengdao Xu, Hans-Arno Jacobsen
IJCGA
2010
99views more  IJCGA 2010»
15 years 4 months ago
Finding All Door Locations that Make a Room Searchable
—A room is a simple polygon with a prespecified point, called the door, on its boundary. Search may be conducted by two guards on the boundary who keep mutual visibility at all ...
Tsunehiko Kameda, John Z. Zhang
SWAT
2000
Springer
90views Algorithms» more  SWAT 2000»
15 years 9 months ago
Efficient Expected-Case Algorithms for Planar Point Location
Planar point location is among the most fundamental search problems in computational geometry. Although this problem has been heavily studied from the perspective of worst-case que...
Sunil Arya, Siu-Wing Cheng, David M. Mount, Ramesh...