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GIS
2010
ACM
13 years 5 months ago
Time geography inverted: recognizing intentions in space and time
Mobile intention recognition is the problem of inferring a mobile user's intentions from her behavior in geographic space. Such behavior is constrained in space and time. Cur...
Peter Kiefer, Martin Raubal, Christoph Schlieder
SIGCOMM
2009
ACM
14 years 2 months ago
SMS-based contextual web search
SMS-based web search is different from traditional web search in that the final response to a search query is limited to a very small number of bytes (typically 1-2 SMS messages...
Jay Chen, Brendan Linn, Lakshminarayanan Subramani...
SIGMOD
2009
ACM
219views Database» more  SIGMOD 2009»
14 years 8 months ago
Hermes: a travel through semantics on the data web
The Web as a global information space is developing from a Web of documents to a Web of data. This development opens new ways for addressing complex information needs. Search is n...
Haofen Wang, Thomas Penin, Kaifeng Xu, Junquan Che...
GIS
2003
ACM
14 years 9 months ago
An efficient r-tree implementation over flash-memory storage systems
For many applications with spatial data management such as Geographic Information Systems (GIS), block-oriented access over flash memory could introduce a significant number of no...
Chin-Hsien Wu, Li-Pin Chang, Tei-Wei Kuo
SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
14 years 8 months ago
Query segmentation using conditional random fields
A growing mount of available text data are being stored in relational databases, giving rise to an increasing need for the RDBMSs to support effective text retrieval. In this pape...
Xiaohui Yu, Huxia Shi