Pre-train a Discriminative Text Encoder for Dense Retrieval via Contrastive Span Prediction.
Xinyu MaJiafeng GuoRuqing ZhangYixing FanXueqi ChengPublished in: SIGIR (2022)
Keyphrases
- information retrieval
- text retrieval
- prediction accuracy
- document analysis
- semantic content
- document retrieval
- retrieval engine
- multimedia documents
- prediction model
- image retrieval
- document indexing
- retrieval model
- cross media
- text collections
- multimedia search
- handwritten documents
- information retrieval systems
- image database
- text indexing
- rate distortion
- language model
- low complexity
- content based retrieval
- video compression
- text mining
- structured documents
- news video
- video search
- conceptual retrieval
- text queries
- prediction error
- predictive coding
- content and structure
- bit rate
- query expansion
- relevance feedback
- semi supervised
- keywords
- document level
- retrieval systems
- document content
- motion estimation