N-gram Graphs: Representing Documents and Document Sets in Summary System Evaluation.
George GiannakopoulosVangelis KarkaletsisPublished in: TAC (2009)
Keyphrases
- n gram
- document set
- language model
- relevant documents
- text summarization
- test collection
- web documents
- document clustering
- document collections
- language modeling
- character n grams
- query expansion
- keywords
- text classification
- information retrieval systems
- similar documents
- information retrieval
- document retrieval
- bag of words
- retrieved documents
- query terms
- information extraction
- text documents
- term frequency
- word segmentation
- artificial intelligence
- machine learning
- retrieval effectiveness
- probabilistic model