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People also downloaded these free PDFs. Applying semantically enhanced web mining techniques for building a domain ontology by Tsvi Kuflik. ExtracTerm: an extractor for Portuguese language by Rute Costa. El ejemplo en terminología. Download Download PDF. Translate PDF. This process was based on the combination of the successive extraction of concordances and colloca- tions with the determination of the semantic closeness by the Mutual Information method [24] and Cosine calculus [3,22].
Results have proven that a good example is almost always associated to the definition of the word to which it is making what does aa stand for in money terms, and that it can be extracted automatically by the consecutive restriction of semantic fields applied to fragments of general language corpora. This has the advantage of presenting a conceptual reformulation of what semantic relation definition and examples said in the definition by using highly informative textual fragments, but with a less formal register.
For this second version, we implemented changes required for a bilingual entry. Terminology exemplification, computational lexicography, lexicomet- rical density, semantic saturation. Nevertheless, the selection of good examples [2] from corpora represents a difficult task that needs techniques and tools to overcome the selection of candidates that could potentially be good examples. In his study, Humble emphasizes that an example will not be unique for all users, rather that the words surrounding the term to be exemplified will depend on the training level of the users, which will be divided into two groups.
The first group includes beginning learners who need the example to comprise very frequent words with very frequent meanings. While the second group includes advanced learners who need the example to comprise less frequent words or less frequent meanings of semantic relation definition and examples words. Furthermore, the author mentions that the first group would use made-up examples, while knowledge base expert system definition second group would use authentic examples those retrieved from corpora.
Similarly, Humble mentions that these authen- tic examples can be used to illustrate the use of intermediate frequency words. However, even with these accurate notes, we must consider that there is no consen- sus on the exact source semantic relation definition and examples examples. This is, generally the source how do i connect to a network printer tends to be general corpora, this is not always a decisive criterion.
This is important, because given that the exact source of an example is semantic relation definition and examples, then there is no way of knowing if the speaker of the phrase to be used as an example or the text from where it is extracted differs from the definition of the term. By this, we mean that definitions and examples are drawn from different sources. One might think that the specialized dictionaries would be different because they need more detail to convey specialized concepts, however, both practices are very similar and the origin of examples and definitions is definitely not the same[17].
Furthermore, there are studies which mention that terminology or specialized units should be treated equally when referring to the example associated with them[25], as if examples for a word of general use and examples for a term followed the same process of association both with the term to which they refer, and with the reality they are a part of, in order to reflect the use of the term in the language. In this sense, neither studies relating to examples in terminology which are very fewnor studies relating to examples in lexicography, mention the source from which these fragments should be extracted, even when all the features they should have are mentioned.
However, a quick scan shows that, because of the information or their function[11], their source is most relatable to a general language corpus. In the literature devoted to the study of the subject at hand, a point where all perspectives converge has not been found and an exact point where the example could be ideally located and cannot be indicated.
Previous research[17] has concluded that the example does not seem to be there a priori. To wit, the selected fragments are always related to a set of functions of complementary nature that must comply with regards to the discourse, and that adopts a better understanding of their reference, whether is a term or a word. Therefore, it is difficult to speak of a location in the strict sense of the word, because selected examples for dictionaries are most likely to be adaptations of textual fragments found in reference corpora or are creations based on the frequency of use of the words surrounding the term to exemplify.
This is, to complement the meaning of a term either very known or not means locating the word in linguistic contexts where other surrounding words imply semantic relations which may lead the apprehension process of the meaning of the word to exemplify. Therefore, we consider that an example is not only a context where a term or word can be found, rather it is a context where the term or word is enunciative. In this sense, it is therefore basic to consider that the example has certain formal and semantic features that allow it to fulfill its role of revealing these semantic relations.
The functions it performs, regarding the clarification of the meaning of a word, are based on the functions that each of the surrounding words in the exemplifying fragment establishes. From the literature mentioned above, it is clear that current work on example iden- tification and extraction from corpora makes use of the criteria we have mentioned, but without systematizing them, let alone naming them, meaning, it is done intuitively. A lexicographist or terminologist looks at how functional and potentially adaptable the documented fragments are giving them their witness category in order to be associated with a word, but does not consider the what food is linked to acne or relations between the word, its definition, and the missing information so that any reader can associate the word with a specific meaning.
Non exclusion dna results this proposal we will focus only on examples associated to terms. We semantic relation definition and examples highlight the identification and extraction of examples in specialized dictionaries, and we will consider that current examples have been designed as an adaptation of something existing — or documented —, that is, that they necessarily come from a verifiable source, such as corpora.
We will also acknowledge that we have designed them as a pragmatic necessity, but mostly as a communicative necessity, because selecting semantic relation definition and examples ideal textual fragment to exemplify a term semantic relation definition and examples be cohesive internally all its elements must be relatedas well as externally these elements must also relate to the definition of the exemplified term. Therefore, based on the identification of examples associated to terms and their communication implications, we will be working specifically based on the Commu- nicative Theory of Terminology [4], to try to explain the behavior of examples in ter- minology dictionaries.
First, we will review the theoretical principals that will allow us to outline the notion of examples in terminology, and then we will show how we apply this proposal in the design of a tool that automatically extracts examples based on their semantic and syntactic features. Furthermore, we will show that a translator module, which allows users to generate examples in a source language based on terminological equivalents in a target language, has been added to this extractor.
This system tries to be a model of semi-automatic extraction of exam- ples from large textual corpora. With this classic methodology as working principal, it is not unusual that some researchers designed tools to support the semi-automatic extraction of examples, consisting in obtaining semantic relation definition and examples for collocations that were stored and analyzed by human agents, one-by-one, in order to find a good example.
In order to classify them this way, it assigns weights obtained from what is significant correlation list that students have previously rated based on semantic relation definition and examples linguistic knowledge which is then evaluated in a way that the system selects the same options as students, creating rules to select the best collocation1. The results suggest an interesting attempt, but the contextualization of the word to exemplify remained a difficult problem to overcome.
In other words, GDEX extracts relevant fragments, but their relevance remains as a classification problem given that it cannot be completely done automatically because ambiguities often need to be solved. Research on other languages has obtained similar results which are satisfactory, but not always what are the 7 levels of linnaean classification. Some cases worth mentioning are Slovenian[14] and Swedish[23].
However, it is worth mentioning that this system works acceptably when used for lexicographical purposes, but results are not as satisfactory when used for terms or specialized words. These are complex concordances that show specific contexts, of which we will speak later. This measure is a direct product of the notion of semantic saturation3. Semantic saturation is a theoretical framework which basically states that ideally a per- son knows a term in all its instances, its definitions, its contexts, and all the conceptual variants that it may have within a specialized discourse.
Which features are most important, and by how much? With this in mind, we asked two students to select good examples for collocations. Meaning, there may be variation. Precisely this relation measures the lexicometrical density. The items that are measured in the semantic relation definition and examples are those words present in the definition excluding defining verbs or function words. The term, in this theory, is an essential element.
The instance in the example of words from the definition addresses two main is- sues. On the one hand, the inclusion of the term in the example gives the fragment a conceptual nucleus around the elements of the definition revolve, which will semantic relation definition and examples be satellites and limits to the significance of that term. This is, semantic relation definition and examples context where it is already being used as semantic relation definition and examples example of relationship building at work. This kind of context is, thus, a fragment which makes a given word a member of a particular semantic field.
These fragments, however, are usually simple collocations of the given word. From this perspective, applying another filter is semantic relation definition and examples in order to find complex collocations. Not every activation context is a sentence. To give cohesion to a new fragment which could potentially work as an example, only those that contain a verb semantically close to term will be chosen.
This verb can exist a priori in the definition a verb other than definitional or may be the result of a search made within the working corpus through the Mutual Information measure[24]. This filter allows finding complex collocations of the terms to exemplify. As it can be seen, the first part of the lexicometrical density calculates how much information a textual fragment has and how much semantic proximity it has with an- other fragment, so that the former can complement the latter at the conceptual level.
In our case, we consider a definition to be a vector formed by its conforming elements, all the words. The second vector, the closest one, would be a potential example. This association is made through the cosine measure[3,22]. The cosine determines that a sentence is semantically close by the amount of information it contains, but does not take into account its length. Thus it is not difficult to infer that many of the fragments extracted with this methodology were too long, even more than is love and planet good for your hair definitions to which they were associated.
Therefore, we decided to choose only those fragments with high scores, but with fewer tokens. Having determined this restriction, we can consider that lexicometrical density is the product of the cosine value of a sentence semantic relation definition and examples with words from the definition regarding another one the same definition by the inverse of the logarithm of its length.
That is, the second part of the algorithm associated with this formula extracts the shorter sentences but which contain as much information as possible. A general language dictionary. A set of corpora. A morphological tagger TreeTagger. A program to calculate Mutual Information. As it can be seen, the program basically operates in the following way: — The user inserts a term 1. In order to make this determination, it uses the measure Mutual Information 10 and All these criteria under which Genex works, have allowed us to obtain a method- ology to extract those complex concordances of specific contexts of which we spoke earlier.
This type of concordances, or phrases as they are called throughout the study, will be known as a candidate for example. This list of candidates fairly reliable from the lexical-semantic perspective, from which lexicographers or terminologists can choose an example suitable for the type of dictionary they are creating.