Interfacing Virtual Agents with Collaborative Knowledge: Open Domain Question Answering Using Wikipedia-Based Topic Models.
Ulli WaltingerAlexa BreuingIpke WachsmuthPublished in: IJCAI (2011)
Keyphrases
- topic models
- open domain question answering
- topic modeling
- latent dirichlet allocation
- virtual agents
- generative model
- knowledge base
- latent variables
- domain knowledge
- expert systems
- text documents
- prior knowledge
- latent topics
- human computer interaction
- domain experts
- probabilistic model
- knowledge structures
- data mining