2858 search results - page 208 / 572 » Logics with Aggregate Operators |
153
click to vote
UM
2007
Springer
16 years 18 days ago
2007
Springer
One of the main problems of collaborative filtering recommenders is the sparsity of the ratings in the users-items matrix, and its negative effect on the prediction accuracy. This ...
174
click to vote
EUC
2005
Springer
16 years 15 hour ago
2005
Springer
This paper presents a distributed middleware architecture based on a service-oriented approach, to manage high volume sensor events. Event management takes a multi-step operation f...
184
click to vote
HICSS
2003
IEEE
15 years 11 months ago
2003
IEEE
Microeconomics offer a far developed theory on the subject of rational choice. This theory is applied to a multi-agent system, which has been modeled in order to establish schedul...
150
click to vote
DBPL
1999
Springer
15 years 10 months ago
1999
Springer
We consider IES(SQL), the incremental evaluation system over an SQL-like language with grouping, arithmetics, and aggregation. We show that every second order query is in IES(SQL) ...
140
click to vote
EPEW
2007
Springer
15 years 10 months ago
2007
Springer
A parallel composition is defined for Markov reward chains with fast transitions and for discontinuous Markov reward chains. In this setting, compositionality with respect to the r...