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GIS
2009
ACM
15 years 11 months ago
Spatio-Textual Spreadsheets: Geotagging via Spatial Coherence
The spatio-textual spreadsheet is a conventional spreadsheet where spatial attribute values are specified textually. Techniques are presented to automatically find the textually-s...
Hanan Samet, Jagan Sankaranarayanan, Jon Sperling,...
GIS
2003
ACM
15 years 10 months ago
The internet spatial spreadsheet: enabling remote visualization of dynamic spatial data and ongoing query results over a network
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
Glenn S. Iwerks, Hanan Samet
GIS
2004
ACM
15 years 10 months ago
Energy efficient exact kNN search in wireless broadcast environments
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
Bugra Gedik, Aameek Singh, Ling Liu
GIS
2004
ACM
15 years 10 months ago
Algorithms for the placement of diagrams on maps
This paper discusses a variety of ways to place diagrams like pie charts on maps, in particular, administrative subdivisions. The different ways come from different models of the ...
Étienne Schramm, Alexander Wolff, Marc J. v...
GIS
2004
ACM
15 years 10 months ago
A partial join approach for mining co-location patterns
Spatial co-location patterns represent the subsets of events whose instances are frequently located together in geographic space. We identified the computational bottleneck in the...
Jin Soung Yoo, Shashi Shekhar