159 search results - page 21 / 32 » Performing grouping and aggregate functions in XML queries |
KDD
1998
ACM
13 years 11 months ago
1998
ACM
We consider the problem of aggregation for uncertain and imprecise data. For such data, we define aggregation operators and use them to provide information on properties and patte...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. Aggregation is an important building block of modern distributed applications, allowing the determination of meaningful properties (e.g. network size, total storage capac...
PVLDB
2008
13 years 6 months ago
2008
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
IPPS
2006
IEEE
14 years 1 months ago
2006
IEEE
1 This paper presents a new approach to trusted Grid computing in a Peer-to-Peer (P2P) setting. Trust and security are essential to establish lasting working relationships among th...
SEMWEB
2009
Springer
14 years 1 months ago
2009
Springer
Spreadsheet tools are often used in business and private scenarios in order to collect and store data, and to explore and analyze these data by executing functions and aggregation...