Information Extraction Meets Crowdsourcing: A Promising Couple.
Christoph LofiJoachim SelkeWolf-Tilo BalkePublished in: Datenbank-Spektrum (2012)
Keyphrases
- information extraction
- precision and recall
- free text
- natural language processing
- information retrieval
- machine learning
- semi structured
- web mining
- question answering
- conditional random fields
- structured data
- data sets
- text mining
- named entities
- natural language
- information systems
- named entity recognition
- text processing
- expert systems
- web services
- search engine
- relation extraction