Exploring Wikipedia's Category Graph for Query Classification.
Milad AlemzadehRichard KhouryFakhri KarrayPublished in: AIS (2011)
Keyphrases
- support vector
- supervised learning
- category labels
- query processing
- feature space
- pattern recognition
- machine learning
- knowledge base
- classification accuracy
- support vector machine
- relevance feedback
- database
- automatic classification
- text classification
- wikipedia articles
- query evaluation
- named entities
- random walk
- training data
- image classification
- feature vectors
- feature extraction
- query expansion
- user queries
- response time
- feature selection
- search queries
- graph structure
- weighted graph
- decision trees
- entity ranking