1117 search results - page 169 / 224 » Querying structured data in an unstructured P2P system |
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Although most of existing research usually detects events by analyzing the content or structural information of Web documents, a recent direction is to study the usage data. In th...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Probabilistic data have recently become popular in applications such as scientific and geospatial databases. For images and other spatial datasets, probabilistic values can capture...
DEBU
2000
13 years 7 months ago
2000
In a traditional information retrieval system, it is assumed that queries can be posed about any topic. In reality, a large fraction of web queries are posed about a relatively sm...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...