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Natural language processing. Main concepts. Examples. Problems
1. Natural language processing
NATURALLANGUAGE
PROCESSING
MAIN CONCEPTS. EXAMPLES. PROBLEMS
2. Definitions of main concepts
DEFINITIONS OF MAINCONCEPTS
Natural language – our normal language (like English) which can
contain certain constructions and ambiguities that will not be able
to parse and analyze by computer.
Artificial language - the language which is generated by machine
based on certain rules, or a set of texts and proposals that can
easily examine and disassemble by machine.
“Natural language understanding” in most cases reduced to
interpretation part of language analysis.
“Natural language processing”- a concept which primarily
includes both interpretation and generation of language.
3. Main parts of NLP
MAIN PARTS OF NLPSignal Processing
Parsing
Semantic analysis
Pragmatics
4. Knowledge that are used in NLP
KNOWLEDGE THATARE USED IN NLP
Phonetic and phonological knowledge:
Morphological knowledge
Syntactic knowledge
Semantic knowledge
Pragmatic knowledge
Discourse knowledge
World knowledge
5. Syntactic analysis example
SYNTACTIC ANALYSISEXAMPLE
Building phrase tree
6. Problems in NLP
PROBLEMS IN NLP• Non-standard language
• Segmentation issues
• Idioms
Tricky entity names
7. Examples of the use of NLP
EXAMPLES OF THEUSE OF NLP