Vector space model for patent documents with hierarchical class labels.
Yen-Liang ChenYu-Ting ChiuPublished in: J. Inf. Sci. (2012)
Keyphrases
- vector space model
- class labels
- patent documents
- information retrieval
- training data
- retrieval model
- average precision
- semantic similarity
- supervised learning
- language model
- vector space
- tf idf
- document clustering
- labeled data
- web documents
- training examples
- semantic information
- feature set
- training set
- unlabeled data
- document representation
- data sets
- decision trees
- document retrieval
- bag of words
- query expansion
- unsupervised learning
- probabilistic model