159 search results - page 31 / 32 » Performing grouping and aggregate functions in XML queries |
SIGMOD
2007
ACM
14 years 6 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
BMCBI
2008
13 years 6 months ago
2008
Background: Despite increasing interest in applying Natural Language Processing (NLP) to biomedical text, whether this technology can facilitate tasks such as database curation re...
VLDB
1998
ACM
13 years 6 months ago
1998
ACM
The increasing power of modern computers steadily opens up new application domains for advanced data processing such as engineering and knowledge-based applications. To meet their...
SRDS
2008
IEEE
14 years 23 days ago
2008
IEEE
Distributed storage systems often use data replication to mask failures and guarantee high data availability. Node failures can be transient or permanent. While the system must ge...
DOLAP
2006
ACM
14 years 11 days ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...