Unsupervised Semantic Hashing with Pairwise Reconstruction.
Casper HansenChristian HansenJakob Grue SimonsenStephen AlstrupChristina LiomaPublished in: SIGIR (2020)
Keyphrases
- pairwise
- semi supervised
- similarity measure
- three dimensional
- semantic similarity
- semantic information
- natural language
- pairwise constraints
- higher order
- markov random field
- unsupervised learning
- semantic features
- semantic annotation
- multi class
- semantic knowledge
- semantic search
- nearest neighbor search
- graph matching
- spectral clustering
- data structure
- loss function
- supervised learning
- similarity function
- feature selection
- domain ontology
- domain specific
- query processing
- reconstruction process
- unsupervised manner
- hash tables