18188 search results - page 3487 / 3638 » Evaluation for Collaborative Systems |
237
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PODS
2009
ACM
16 years 5 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
158
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MOBISYS
2009
ACM
16 years 5 months ago
2009
ACM
With the proliferation of WiFi technology, many WiFi networks are accessible from vehicles on the road making vehicular WiFi access realistic. However, several challenges exist: l...
155
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KDD
2008
ACM
16 years 4 months ago
2008
ACM
Information diffusion, viral marketing, and collective classification all attempt to model and exploit the relationships in a network to make inferences about the labels of nodes....
163
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KDD
2008
ACM
16 years 4 months ago
2008
ACM
This paper presents a new algorithm for sequence prediction over long categorical event streams. The input to the algorithm is a set of target event types whose occurrences we wis...
277
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KDD
2008
ACM
16 years 4 months ago
2008
ACM
Many time series prediction methods have focused on single step or short term prediction problems due to the inherent difficulty in controlling the propagation of errors from one ...