204 search results - page 12 / 41 » Let's Evaluate Performance Algebraically |
CORR
2006
Springer
13 years 7 months ago
2006
Springer
We analyze the performance of CDMA signature optimization with finite rate feedback. For a particular user, the receiver selects a signature vector from a signature codebook to avo...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
STACS
1997
Springer
13 years 11 months ago
1997
Springer
Exotic semirings such as the “(max, +) semiring” (R ∪ {−∞}, max, +), or the “tropical semiring” (N ∪ {+∞}, min, +), have been invented and reinvented many times s...
PODS
2010
ACM
14 years 17 days ago
2010
ACM
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
ITS
2004
Springer
14 years 26 days ago
2004
Springer
Cognitive Tutors are proven effective learning environments, but are still not as effective as one-on-one human tutoring. We describe an environment (ALPS) designed to engage stude...