What is semantic analysis
Semantic analysis is the study of semantics, or the structure and meaning of speech. Itis the job of a
semantic analyst to discover grammatical patterns, the meanings ofcolloquial speech, and to uncover
specific meanings to words in foreign languages. Inliterature, semantic analysis is used to give the work
meaning by looking at it from thewriter’s point of view
Semantic analysis on text
figure out the meaning of linguistic input (construct meaning representations) = process language to
produce common-sense knowledge about the world (extract data and construct models of the world)
Lexical semantics – meanings of component words – word sense disambiguation (e.g. ”country” in
political or musical sense) 0 0 8 4 Compositional semantics – how words combine to form larger meanings
how words combine to form larger meanings 0 0 8 4 Roughly: semantic analysis Roughly: semantic analysis ≈
understanding language
Approaches to semantic analysis
Predicate logic
Statistical Approach
Information Retrieval
List of semantic analysis tool
1. QDA miner Lite
2. GATE
3. TAMS Analyzer
4. Carrot2
5. CAT
6. KH Coder
7. Gensim
8. Natural language Toolkit(NLTK)
9. Rapid Miner
