254 search results - page 5 / 51 » On the Limitations of Provenance for Queries With Difference |
CDC
2009
IEEE
14 years 9 days ago
2009
IEEE
— A limiting property of the matrix exponential is proven: For a real square matrix, where the log norm of the upper-left n by n block approaches negative infinity in a limiting...
DILS
2005
Springer
14 years 1 months ago
2005
Springer
For execution of complex biological queries, data integration systems often use several intermediate data sources because the domain coverage of individual sources is limited. Qual...
TSD
2010
Springer
13 years 5 months ago
2010
Springer
This paper presents a quantitative performance analysis of two different approaches to the lemmatization of the Czech text data. The first one is based on manually prepared diction...
ICDE
2008
IEEE
14 years 2 months ago
2008
IEEE
Network accountability and forensic analysis have become increasingly important, as a means of performing network diagnostics, identifying malicious nodes, enforcing trust managem...
JAPLL
2010
13 years 6 months ago
2010
The relational model has recently been extended to so-called K-relations in which tuples are assigned a unique value in a semiring K. A query language, denoted by RAC K , similar ...