181 search results - page 18 / 37 » A Query Algebra for Fragmented XML Stream Data |
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to sto...
ICDT
2005
ACM
14 years 1 months ago
2005
ACM
What does a data stream mean? Much of the extensive work on query operators and query processing for data streams has proceeded without the benefit of an answer to this question. ...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
ICDM
2002
IEEE
14 years 14 days ago
2002
IEEE
In this paper, we study an online data mining problem from streams of semi-structured data such as XML data. Modeling semi-structured data and patterns as labeled ordered trees, w...