SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
We discuss four different core protocols for synchronizing access to and modifications of XML document collections. These core protocols synchronize structure traversals and modif...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Mobile users today demand ubiquitous access to their data from any mobile device and under variable connection quality. We refer to this requirement as any-time, any-where data ac...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Snapshot Isolation (SI), is a multi-version concurrency control algorithm introduced in [BBGMOO95] and later implemented by Oracle. SI avoids many concurrency errors, and it never ...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
A schema mapping produces a semantic correspondence between two schemas. Automating schema mapping is challenging. The existence of 1:n (or n:1) and n:m mapping cardinalities make...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Today, the travel information services are dominantly provided by Global Distribution Systems (GDS). The Global Distribution Systems provide access to real time availability and p...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
An eddy [2] is a highly adaptive query processing operator that continuously reoptimizes a query in response to changing runtime conditions. It does this by treating query process...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Growing interest in genomic research has resulted in the creation of huge biological sequence databases. In this paper, we present a hash-based pier model for efficient homology s...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
High-quality annotation of biological data is central to bioinformatics. Annotation using terms from ontologies provides reliable computational access to data. The Gene Ontology (...