1938 search results - page 335 / 388 » On Positive Relational Calculi |
RECOMB
2001
Springer
14 years 8 months ago
2001
Springer
motif discovery problem abstracts the task of discovering short, conserved sites in genomic DNA. Pevzner and Sze recently described a precise combinatorial formulation of motif di...
STOC
2006
ACM
14 years 8 months ago
2006
ACM
We study rerouting policies in a dynamic round-based variant of a well known game theoretic traffic model due to Wardrop. Previous analyses (mostly in the context of selfish routi...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...