Top-k Queries over Distributed Uncertain Categorical Data.
Adel BenaissaSoror SahriMourad OuziriPublished in: Trans. Large Scale Data Knowl. Centered Syst. (2020)
Keyphrases
- categorical data
- query processing
- cluster analysis
- attribute values
- unstructured p p systems
- numerical data
- parameter free
- result set
- uncertain databases
- user defined
- query evaluation
- numeric data
- user queries
- query language
- distributed systems
- aggregation queries
- distance based outlier detection
- range queries
- database
- databases
- uncertain data streams
- correspondence analysis
- distributed environment
- hierarchical latent class models
- approximate answers
- aggregate queries
- query result
- skyline queries
- database queries
- bayesian networks
- training data
- unsupervised learning
- peer to peer
- clustering algorithm