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VLDB
2006
ACM
203views Database» more  VLDB 2006»
14 years 4 months ago
The CQL continuous query language: semantic foundations and query execution
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
Arvind Arasu, Shivnath Babu, Jennifer Widom
JUCS
2006
116views more  JUCS 2006»
13 years 4 months ago
Extension of CQL over Dynamic Databases
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
Antal Buza
EDBTW
2006
Springer
13 years 8 months ago
Dynamic Plan Migration for Snapshot-Equivalent Continuous Queries in Data Stream Systems
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
Jürgen Krämer, Yin Yang, Michael Cammert...
EDBTW
2006
Springer
13 years 8 months ago
Using Temporal Semantics for Live Media Stream Queries
Querying live media streams is a challenging problem that becomes an essential requirement in a growing number of applications. We address the problem of evaluating continuous quer...
Bin Liu, Amarnath Gupta, Ramesh Jain
ESWS
2008
Springer
13 years 6 months ago
Streaming SPARQL - Extending SPARQL to Process Data Streams
A lot of work has been done in the area of data stream processing. Most of the previous approaches regard only relational or XML based streams but do not cover semantically richer ...
Andre Bolles, Marco Grawunder, Jonas Jacobi