Prepartitioning in MapReduce Processing of Group Nearest-Neighbor Query.
Panagiotis MoutafisGeorge MavrommatisPolychronis VelentzasPublished in: PCI (2020)
Keyphrases
- nearest neighbor
- efficient processing
- nearest neighbor queries
- k nearest neighbor
- processing queries
- processing cost
- query processing
- database
- query evaluation
- response time
- knn
- reverse nearest neighbor
- distributed processing
- approximate nearest neighbor
- high dimensional
- stream processing
- training set
- range queries
- distance function
- nearest neighbor search
- nearest neighbor algorithm
- user queries
- xml query processing
- information retrieval
- data processing
- database queries
- data points
- questions asked
- query point
- real time
- query execution
- cost model
- retrieval systems
- query expansion
- data sources
- query formulation
- spatial queries
- locality sensitive hashing
- query terms
- index structure
- high dimensional data
- relevance feedback
- keywords
- neural network