Approximate Indexing for Top-k Queries over Massive Spatio-textual Data Streams.
Hangjia CenXike XieXin CaoJiali WengPublished in: ICDEW (2023)
Keyphrases
- data streams
- query processing
- approximate answers
- load shedding
- indexing methods
- exact and approximate
- unstructured p p systems
- database
- indexing techniques
- inverted index
- textual descriptions
- sliding window
- aggregate queries
- information retrieval
- efficient processing
- data retrieval
- query language
- aggregation queries
- sensor networks
- access methods
- skyline queries
- range queries
- spatio temporal
- query evaluation
- heavy hitters
- continuous queries
- result set
- concept drift
- inverted file
- approximate matches
- exact answers
- user defined
- database queries
- indexing method
- query answers
- itemsets
- similarity queries
- pre computed
- data stream management systems
- inverted lists
- data sources
- multi dimensional data
- distance computation
- retrieval strategies
- index structure
- uncertain data streams
- indexing scheme
- indexing structure
- data distribution
- user queries
- query optimization
- r tree
- posting lists
- streaming data
- stream data
- web search engines