Báo cáo khoa học: "Automatic Detection of Grammar Elements that Decrease Readability" pdf

Tài liệu Báo cáo khoa học: "Automatic Detection of Nonreferential It in Spoken Multi-Party Dialog" doc

... subjverb verb that it is the subject of 25. prep preposition before indirect object26. indobj indirect object of verb that it is subject of 27. obj direct object of verb that it is subject of 28. ... variety of genres. They count2.337 instances of it, 646 of which (28%) are non-referential. Finally, Clemente et al. (2004) report that in the GENIA corpus of medical abstracts thepercentage of ... works that treat the detection of nonrefer-ential it only as one of several steps of the coref-erence resolution process, Lappin & Leass (1994)do not give any ﬁgures about the performance of this...

Tài liệu Báo cáo khoa học: "Automatic Evaluation of Sentence-Level Fluency Andrew Mutton∗" pdf

... spelling, good grammar, rhythm and ﬂow,appropriateness of tone, and several other speciﬁccharacteristics of good text.In terms of automatic evaluation, we are not aware of any technique that measures ... MethodsPoStag In the ﬁrst of these, we constructed arough approximation of typical sentence grammar structure by taking bigrams over part -of- speechtags.6Then, given a string of PoS tags of lengthn, t1. ... model. Often we are interested in know-ing the quality of the two aspects separately; manyhuman judgement frameworks ask speciﬁcally forseparate judgements on elements of the task that cor-respond...

Tài liệu Báo cáo khoa học: "Automatic Extraction of Lexico-Syntactic Patterns for Detection of Negation and Speculation Scopes" pdf

... (possible)medical conditions.The importance of the task of negation and spec-ulation (a.k.a. hedge) detection is attested by a num-ber of research initiatives. The creation of the Bio-Scope corpus (Vincze ... present a linguistically moti-vated rule-based system for the detection of nega-tion and speculation scopes that performs on parwith state -of- the-art machine learning systems. Therules used by the ... Statistics of the BioScope corpus. The 2nd and 3dcolumns show the total number of cues within the datasets; the4th and 5th columns show the percentage of negated and spec-ulative sentences.70% of...

Báo cáo khoa học: "Automatic Detection and Correction of Errors in Dependency Treebanks" potx

... found. The overall number of errors thus seems to be over 1% of the total size of a corpus, which is expected to be of a very high quality. A fact that one has to be aware of when working with ... evaluation for the precision of our approach. 3 Variation Detection We will compare our outcomes with the results that can be found with the approach of “variation detection proposed by Meurers ... Automatic Correction of ErrorsIn this section we propose our algorithm for auto-matic correction of errors, which consists out of the following steps:1. Automatic detection of error candidates,...

Tài liệu Báo cáo khoa học: PCR detection of nearly any dengue virus strain using a highly sensitive primer ‘cocktail’ ppt

... probes or primers for the detec-tion of that pathogen against that host background. Itwas found that 99.99% of all possible 11-mers, 70% of all 15-mers and 5% of all 18-mers are present in thehuman ... of a combination of 10 PCR primers to be used in a singlehigh-sensitivity mixed PCR reaction for the detection of dengue virus. Pri-mer sequences were computed such that their probability of ... Yuriy Fofanov1,3and Richard C. Willson1,71 Department of Biology and Biochemistry, University of Houston, TX, USA2 Department of Chemical and Biomolecular Engineering, University of Houston,...

Tài liệu Báo cáo khoa học: "Automatic learning of textual entailments with cross-pair similarities" ppt

... therewrite rules that describe a non trivial set of entailment cases. The experiments withthe data sets of the RTE 2005 challengeshow an improvement of 4.4% over thestate -of- the-art methods.1 ... ex-amples of the previous section. From the point of view of bag -of- word methods, the pairs (T1, H1)and (T1, H2) have both the same intra-pair simi-larity since the sentences of T1and ... head of constituents. Theexample of Fig. 1 shows that the placeholder0climbs up to the node governing all the NPs.5.3 Pruning irrelevant information in largetext treesOften only a portion of...

Tài liệu Báo cáo khoa học: "Automatic Construction of Polarity-tagged Corpus from HTML Documents" docx

... the polarity of wordsThere are some works that discuss learning the po-larity of words instead of sentences.Hatzivassiloglou and McKeown proposed amethod of learning the polarity of adjectives ... and ’-’ denotes that the word is followed by postpositional particles.For example, ’software-no’ means that ’software’is followed by postpositional particle ’no’. Trans-lations of each word and ... Section explains the design of our corpus that is built automatically. Table 1 represents a part of our corpus that was actually constructed in theexperiment. Note that this paper treats Japanese.The...

Tài liệu Báo cáo khoa học: "Automatic Identification of Pro and Con Reasons in Online Reviews" ppt

... fixed set of features of a specific type of product, for exam-ple, ease of use, durability, battery life, photo quality, and shutter lag for digital cameras. Con-sequently, we can expect that ... sentences. Both algorithms are described in that paper. The motivation for including the list of opin-ion-bearing words as one of our features is that pro and con sentences are quite likely ... semantic orientations of words based on WordNet2 synonyms. In our pre-vious work (Kim and Hovy, 2005), we demon-strated that the list of words produced by a com-bination of those two methods...

Tài liệu Báo cáo khoa học: "Automatic Evaluation of Machine Translation Quality Using Longest Common Subsequence and Skip-Bigram Statistics" doc

... construction of N-best translation lexicons from parallel text. Melamed (1995) used the ratio (LCSR) between the length of the LCS of two words and the length of the longer word of the two ... z2, , zn] is a subsequence of another sequence X = [x1, x2, , xm], if there exists a strict increasing sequence [i1, i2, , ik] of indices of X such that for all j = 1, 2, , k, ... position-independent word error rate (PER) that did not consider word posi-tion, i.e. using bag -of- words instead. Instead of error measures, we can also use accuracy measures that compute similarity between...

Tài liệu Báo cáo khoa học: "Automatic clustering of collocation for detecting practical sense boundary" ppt

... size of a collocation is 2w+1. }),,{()(xIiixxg ∈= is a word sense assignment function that gives the word senses numbered i of the word x. Ix is the word sense indexing function of x that ... collocations. C/V means that C is limited to V as well as that all vocabularies are selected from a given corpus and 2PC/VP is all sets of C/V. In the equation (1), the frequency of x is m in c. ... V N C Æ 2PC/V. In this formula, V means a set of vocabulary, N is the size of the contextual window that is an integer, and C means a set of corpus. In this paper, vocabulary refers to all...

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