Models and issues in data stream systems
Proceedings of the twenty-first ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Query processing of streamed XML data
Proceedings of the eleventh international conference on Information and knowledge management
Continuous queries over data streams
ACM SIGMOD Record
Issues in data stream management
ACM SIGMOD Record
Temporal coalescing with now granularity, and incomplete information
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Tribeca: a system for managing large databases of network traffic
ATEC '98 Proceedings of the annual conference on USENIX Annual Technical Conference
Monitoring streams: a new class of data management applications
VLDB '02 Proceedings of the 28th international conference on Very Large Data Bases
XMark: a benchmark for XML data management
VLDB '02 Proceedings of the 28th international conference on Very Large Data Bases
AQuery: query language for ordered data, optimization techniques, and experiments
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
Temporal slicing in the evaluation of XML queries
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
Operator scheduling in a data stream manager
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
An indexing method for wireless broadcast XML data
Information Sciences: an International Journal
XTREAM: An efficient multi-query evaluation on streaming XML data
Information Sciences: an International Journal
Semantics based buffer reduction for queries over XML data streams
ADC '08 Proceedings of the nineteenth conference on Australasian database - Volume 75
Tagging stream data for rich real-time services
Proceedings of the VLDB Endowment
Reuse or never reuse the deleted labels in XML query processing based on labeling schemes
DASFAA'06 Proceedings of the 11th international conference on Database Systems for Advanced Applications
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We are presenting a framework for continuous querying of time-varying streamed XML data. A continuous stream in our framework consists of a finite XML document followed by a continuous stream of updates. The unit of update is an XML fragment, which can relate to other fragments through system-generated unique IDs. The reconstruction of temporal data from continuous updates at a current time is never materialized and historical queries operate directly on the fragmented streams. We are incorporating temporal constructs to XQuery with minimal changes to the existing language structure to support continuous querying of time-varying streams of XML data. Our extensions use time projections to capture time-sliding windows, version control for tuple-based windows, and coincidence queries to synchronize events between streams. These XQuery extensions are compiled away to standard XQuery code and the resulting queries operate continuously over the existing fragmented streams.