POLYTOPE: a flexible sampling system for answering exploratory queries.
Zhigang WuYinan JingZhenying HeChenghao GuoX. Sean WangPublished in: World Wide Web (2020)
Keyphrases
- answering queries
- query processing
- query language
- query answering
- database
- random sampling
- efficient processing
- response time
- data sources
- query evaluation
- stable set
- web search engines
- user queries
- query formulation
- database queries
- sampling algorithm
- convex hull
- sample size
- data model
- approximate answers
- aggregate queries
- range queries
- query logs
- directed graph
- xml documents
- search engine
- information retrieval
- databases