Challenges for Event Queries over Markovian Streams.
Julie LetchnerChristopher RéMagdalena BalazinskaMatthai PhiliposePublished in: IEEE Internet Comput. (2008)
Keyphrases
- query language
- query processing
- range queries
- commercial web search engines
- key issues
- response time
- real time
- stream processing
- lessons learned
- data streams
- real world
- continuous stream
- database queries
- web search engines
- event streams
- query evaluation
- query formulation
- news stories
- efficient processing
- user queries
- data sources
- event detection
- continuous queries
- emerging topics
- relational databases
- database
- complex queries
- search queries
- query logs
- databases
- retrieval systems
- sliding window
- information retrieval systems
- data structure