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» Design of a Cross-Media Indexing System
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SIGIR
2005
ACM
14 years 3 months ago
Indexing emails and email threads for retrieval
Electronic mail poses a number of unusual challenges for the design of information retrieval systems and test collections, including informal expression, conversational structure,...
Yejun Wu, Douglas W. Oard
TSMC
2008
94views more  TSMC 2008»
13 years 9 months ago
Queuing Network Modeling of a Real-Time Psychophysiological Index of Mental Workload - P300 in Event-Related Potential (ERP)
Modeling and predicting of mental workload are among the most important issues in studying human performance in complex systems. Ample research has shown that the amplitude of the ...
Changxu Wu, Yili Liu, C. M. Quinn-Walsh
MOBIDE
2003
ACM
14 years 2 months ago
Consistency mechanisms for a distributed lookup service supporting mobile applications
This paper presents a general-purpose distributed lookup service, denoted Passive Distributed Indexing (PDI). PDI stores entries in form of (key, value) pairs in index caches loca...
Christoph Lindemann, Oliver P. Waldhorst
GIS
2003
ACM
14 years 10 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
GIS
2008
ACM
14 years 10 months ago
Should SDBMS support a join index?: a case study from CrimeStat
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
Pradeep Mohan, Ronald E. Wilson, Shashi Shekhar, B...