Improving iUnit Retrieval with Query Classification and Multi-Aspect iUnit Scoring: The IISR System at NTCIR-11 MobileClick Task.
Karol Chia-Tien ChangYu-Hsuan WuYi-Lin TsaiRichard Tzong-Han TsaiPublished in: NTCIR (2014)
Keyphrases
- multi aspect
- web retrieval
- test collection
- relevance feedback
- query expansion
- average precision
- retrieval systems
- query formulation
- query processing
- image classification
- retrieval model
- feature space
- image retrieval
- retrieval effectiveness
- information retrieval systems
- user queries
- multimedia retrieval
- information retrieval
- sentiment analysis
- query refinement
- text classification
- web search
- supervised learning
- feature vectors
- keywords
- query terms
- object detection
- training set
- search engine
- machine learning
- trec web