165 search results - page 14 / 33 » Incremental Evaluation of Sliding-window Queries over Data S... |
DEBS
2009
ACM
14 years 2 months ago
2009
ACM
We address the problem of processing continuous multi-join queries, over distributed data streams, making use of existing work in the field of publish/subscribe systems. We show ...
COMAD
2008
13 years 9 months ago
2008
Although many algorithms have been proposed for evaluating XPath queries containing un-ordered axes (child, descendant, parent and ancestor) against streaming XML data, there are ...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...