1117 search results - page 181 / 224 » Querying structured data in an unstructured P2P system |
SIGMOD
2009
ACM
14 years 2 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
ADL
2000
Springer
13 years 12 months ago
2000
Springer
In the BlueView project, digital library services are developed and partially implemented based on the architecture of virtual document servers. Using standard tools like fulltext...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
ACMICEC
2006
ACM
14 years 1 months ago
2006
ACM
We present a browser-extending Semantic Web extraction system that maps HTML documents to tables and, where possible, to rules. First, the basic data extractor ViPER distills and ...
KDD
2004
ACM
14 years 1 months ago
2004
ACM
Many real-world graphs have been shown to be scale-free— vertex degrees follow power law distributions, vertices tend to cluster, and the average length of all shortest paths is...