2859 search results - page 558 / 572 » Querying Complex Structured Databases |
OTM
2005
Springer
14 years 1 months ago
2005
Springer
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
SIGMOD
1994
ACM
13 years 12 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
BMCBI
2008
13 years 8 months ago
2008
Background: Current sequencing technologies give access to sequence information for genomes and metagenomes at a tremendous speed. Subsequent data processing is mainly performed b...
BMCBI
2005
13 years 7 months ago
2005
Background: Single nucleotide polymorphisms (SNPs) provide an important tool in pinpointing susceptibility genes for complex diseases and in unveiling human molecular evolution. S...
CCS
2011
ACM
12 years 7 months ago
2011
ACM
We present the design, implementation and evaluation of an algorithm that checks audit logs for compliance with privacy and security policies. The algorithm, which we name reduce,...