Spoken Content Retrieval Using Distance Combination and Spoken Term Detection Using Hash Function for NTCIR10 SpokenDoc2 Task.
Satoru TsugeKen IchikawaNorihide KitaokaKazuya TakedaKenji KitaPublished in: NTCIR (2013)
Keyphrases
- hash functions
- test collection
- hamming distance
- spoken term detection
- similarity search
- retrieval model
- retrieval systems
- information retrieval systems
- image database
- locality sensitive hashing
- information retrieval
- average precision
- multimedia databases
- distance measure
- language model
- hash table
- relevant documents
- image retrieval
- retrieval effectiveness
- document collections
- pattern recognition
- distance computation
- nearest neighbor
- data distribution
- query expansion
- feature selection
- nearest neighbor search
- content based retrieval
- broadcast news
- data sets
- relevance feedback