Explicit and latent topic representations of information spaces in social information retrieval

Keyphrases

• Information Space 100%
• Information Representation 100%
• Topic Representation 100%
• Social Information Retrieval 100%
• Latent Semantic 100%
• Latent Topics 100%
• Explicit Semantics 60%
• Semantic Space 60%
• Information Retrieval 40%
• Retrieval Task 40%
• Similarity-based 20%
• Quality Assessment 20%
• Latent Dirichlet Allocation 20%
• Term Frequency-inverse Document Frequency (TF-IDF) 20%
• Similarity Function 20%
• Stack Exchange 20%
• Q&A Community 20%
• Vector Space Model 20%
• Human Relevance Judgment 20%

Computer Science

• Information Space 100%
• Social Information 100%
• Information Retrieval 100%
• Latent Dirichlet Allocation 33%
• Vector Space Models 33%
• Relevance Judgment 33%
• Similarity Function 33%
• Information Item 33%
• Semantic Representation 33%
• Quality Assessment 33%

Psychology

• Semantic Representation 100%