1. NIF Lexical Overview
Chris Condit (condit@sdsc.edu)

2. Service Overview
• http://nif-services.neuinfo.org/services/
• Ontology
• Latent Dirichlet Allocation
– PMIDs / chunks
• Annotation
– URL or text

3. NIF Vocabulary Services
• Auto-complete - http://goo.gl/zNe8M8
• ID lookup - http://goo.gl/J2SZ0a

4. NIF Lexical Services
• No dependency on vocabulary
• Lexical (Lingpipe or OpenNLP (soon))
– Sentence extraction - http://goo.gl/VFZbyP
– Part-of-speech tagging - http://goo.gl/L5DerY
– Chunks (HMM) - http://goo.gl/tvDhOX
– Entities (POS) - http://goo.gl/gVUzv
– LDA (chunks / entities)- http://goo.gl/FbL72

5. NIF Annotation Services
• Dependency on vocabulary
• Annotation services
– Annotate text - http://goo.gl/iIlG8J
– Annotate (complete) - http://goo.gl/dZTF4s
– Annotate URL - http://goo.gl/WNKEHK
• Need stylesheets