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