By Damien Nouvel, Maud Ehrmann, Sophie Rosset
One of the demanding situations caused by the electronic revolution of the new a long time is the mechanism during which details carried by way of texts might be extracted with a purpose to entry its contents.
The processing of named entities continues to be a truly energetic region of analysis, which performs a primary position in normal language processing applied sciences and their purposes. Named entity acceptance, a device utilized in info extraction initiatives, specializes in spotting small items of data which will extract info on a bigger scale.
The authors use written textual content and examples in French and English to give the mandatory components for the readers to familiarize themselves with the most thoughts on the topic of named entities and to find the issues linked to them, in addition to the equipment on hand in perform for fixing those issues.
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Extra info for Named entities for computational linguistics
1. The traditional criteria for deﬁning a proper name The traditional criteria for deﬁning proper name belong to different levels of analysis, which can be divided into three categories [LER 04]. The ﬁrst category brings together the criteria related to the word forms and those related to their factual nature. Let us ﬁrst consider the upper case graphical mark, which seems to be a relatively common deﬁnitional starting point. g. in German all names, both common or proper, start with a capital letter, and the Georgian alphabet does not distinguish between upper and lower case), it is not valid diachronically (the use of this mark has only been well established since the introduction of the printing press) and it is not signiﬁcant orally.
1. What is a deﬁnite description? If we conﬁne ourselves to words, say, a “deﬁnite description” corresponds to a noun (N) preceded by the deﬁnite article (the), thus, formally, a nominal group of the + N 16. However, it is not absolutely fair to completely assimilate deﬁnite descriptions into nominal expressions deﬁned in their general sense, and, in order to better recognize the type of lexical units falling within the scope of this title, it is important to add further elements to the deﬁnition using formal criteria.
The interpretation of the expression the President requires extralinguistic and situational knowledge: in the context of the general assembly of an association, the expression could refer to the member who was elected for this position; while in the context of French television news, the term may refer to the person holding the position of president of the French Republic at the time of speaking. The access to the referent of an incomplete deﬁnite description is indirect; it goes through an evaluation of the textual context and the universe of discourse in which the deﬁnite syntagm selects a unique entity of its kind.