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Text Mining
Fichas del conjunto (26)
- 1Phrasal nodesPhrasal nodes are non-terminal symbols in a phrase structure grammar, which aggregate words that form a cohesive meaning unit.
- 2Phrase structuresPhrase structes represent structural phrase categories, aggregating words into cohesive meaning units.
- 3Dependency structuresDependency structures focus on bilexical head-dependent relations (every node in the structure represents a word)
- 4Predicate-argument structureA predicate and its argument form a predicate-argument structure. Related to subcategorization frames.
- 5Subcategorization frameThe subcategorization frame is a list of arguments of a word (typically a verb) with features about realization. In canonical order: Verb [Sub __ Obj IndObj]
- 6HeadThe head of a phrase is the word that determines the syntactic category of that phrase. The other elements of the phrase modify the head, and are therefore called its dependents.
- 7ComplementsComplements are necessary to complete the meaning of a given expression
- 8Subordinate ClauseA subordinate clause forms part of and is dependent on a main clause.
- 9Part of SpeechA part of speech is a category of words which have similar grammatical properties.
- 10AdjunctAn adjuct is an optional phrase, that if discarded will not otherwise affect the meaning of the sentence.
- 11Function wordsFunction words have little lexical meaning, but express the grammatical relationships with other words within a sentence.
- 12Structural ambiguityStructural ambiguity arises when a sentence (one surface structure) can have different meanings (deep structures).
- 13AspectThe aspect of a verb marks whether an action is ongoing (progressive) or completed (perfect).
- 14MoodThe moof a verb marks properties such as possibility, probability and certainty: indicative, imperative and subjunctive
- 15VoiceThe voice of a verb can be either active or passive.
- 16SyntagmaticSyntagmatic relations concerns sequential relations between words, e.g. different words in a sentence.
- 17ParadigmaticParadigmatic relations concerns relationsips between words which all members of some defining category which supports substitution.
- 18HomonymsHomonyms are words that share a form but have different meanings.
- 19PolynymsPolynyms are words that have different but related meanings.
- 20Auxilary verbThe order of auxilary verbs in a sentence is modal, perfect, progressive, passive.
- 21Naive Bayes Independence AssumptionsThe two independence assumptions of Naive Bayes are Bag of words and conditional independence. Both assumptions are related to neglecting the important role of word compositality.
- 22OntologyFormal naming and defintiuon of the types, properties, and interrelationships of the entities.
- 23ClassA class is a set with properties that all its members share.
- 24IndividualAn instance of a class.
- 25PropertyProperties describe relationships.
Object properties: between two individuals
Data Properties: between individual and a value - 26Characteristics of propertiesFunctional
Inverse Functional
Transitive
Symmetric
Asymmetric
Reflexive
Irreflexive
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- Informatik Fichas sobre Text Mining, creado por Christian Reiser el 21/07/2017.
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- Christian Reiser
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