481 search results - page 15 / 97 » Approximate XML Query Answers |
SDM
2003
SIAM
13 years 9 months ago
2003
SIAM
In earlier work we have introduced and explored a variety of different probabilistic models for the problem of answering selectivity queries posed to large sparse binary data set...
AAAI
2007
13 years 10 months ago
2007
The Closed-World Assumption (CWA) on databases expresses that an atom not in the database is false. A more appropriate assumption for databases that are sound but partially incomp...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
SEBD
2003
13 years 9 months ago
2003
Abstract. Sensor networks represent a non traditional source of information, as readings generated by sensors flow continuously, leading to an infinite stream of data. Traditiona...