Natural Language Processing

Universal Networking Language (UNL) is an Interlingua developed by UNDL foundation. UNL is in the form of semantic network to represent and exchange information. Concepts and relations enable encapsulation of the meaning of sentences. In UNL, a sentence can be considered as a hypergraph where each node is the concept and the links or [...]

Natural Language Understanding is primarily used in text based applications and dialogue based applications.
Text based Applications
As the name implies text based applications deal with processing of written text such as books, newspapers, mauals, reports, e-mail messages, and so on. Natural language understanding techniques are widely used in finding the required documentation on certain topics [...]

A natural languge understanding system must have knowledge about what the words mean, how words combine to form sentences, how word meanings combine to from sentence meanings and so on. The different forms of knowledge required for natural language understanding are given below.
Phonetic and phonological knowledge
Phonetics is the study of language at the level [...]

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Introduction
Natural language understanding concerns with process of comprehending and using languages once the words are recognized. The objective is to specify a computational model that matches with humans in linguistic tasks such as reading, writing, hearing, and speaking. To develop a natural language understanding model, it is required to use knowledge from [...]

What are semantic roles?
Semantic roles, also known as thematic roles, are one of the oldest classes of constructs in linguistic theory. Semantic roles are used to indicate the role played by each entity in a sentence and are ranging from very specific to very general. The entities that are labelled should have participated in an [...]