1259 search results - page 243 / 252 » Knowledge and Structure in Social Algorithms |
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
In this paper, we examine the performance of frequent pattern mining algorithms on a modern processor. A detailed performance study reveals that even the best frequent pattern min...
ATAL
2008
Springer
13 years 9 months ago
2008
Springer
We address the learning of trust based on past observations and context information. We argue that from the truster's point of view trust is best expressed as one of several ...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
Multisignatures allow n signers to produce a short joint signature on a single message. Multisignatures were achieved in the plain model with a non-interactive protocol in groups ...