Báo cáo khoa học: " LOCAL AND GLOBAL STRUCTURES IN DISCOURSE UNDERSTANDING" docx

... Helsinki, Fabianlnkatu 33, 00170 Helsinki 17, Finland.) I INTRODUCTION We are interested in the nature of content structures in terms of which it would be possible to account for reasoning ... reflect intuitive attention, interest and judgment processes of the understander that occur during reading a text, on the other. They should be usable in interpreting very different kinds of ... in his working memory and to take them all into account in making the resulting decision. Again, the face-to-face dialogue is a good example: in order to react adequately to a response in...

Báo cáo khoa học: "Local and Global Algorithms for Disambiguation to Wikipedia" pot

... conceptbased on the counts in P (t|m).4.5 Linker and Ranker TrainingWe train the coefﬁcients for the ranker features us-ing a linear Ranking Support Vector Machine, usingtraining data gathered from ... Wikipedialinks are considered gold-standard links for thetraining process. The methods for compiling theWikipedia training corpus are given in Section 5.We train the linker as a separate linear ... wikipedia links. In In the Wikipedia and AI Workshop of AAAI.David Milne and Ian H. Witten. 2008b. Learning to linkwith wikipedia. In Proceedings of the 17th ACM con-ference on Information and knowledge...

Tài liệu Báo cáo khoa học: "Constraints over Lambda-Structures in Semantic Under specification" pptx

... intertranslatable (Niehren and Koller, 1998) if binding and linking relations in A -structures are ignored. For the interaction of binding with parallelism we follow the basic idea that binding relations ... constraints for immediate dominance and labeling X:f(X1, , Xn), (e.g. X1:@(X2,)(3) and X3:lam(X4) etc.) and binding constraints A(X)=Y. It is convenient to dis- play such constraints graphically, ... 'x'. Capturing occurs when a new quantifier like 3x is filled in C2 whereby the binding between x and Vx is accidentally undone, and is replaced with a binding of x by 3x. Capturing problems...

Tài liệu Báo cáo khoa học: "Structural and Topical Dimensions in Multi-Task Patent Translation" ppt

... error rate training In contrast to task pooling and task mixtures, thespeciﬁc setting addressed by multi-task minimumerror rate training is one in which the generativetrain test pooling mixtureA-C ... pooling data fromseparate tasks into a single training set. Instead ofa trivial enlargement of training data by pooling,we train the pooled models on the same amountof sentences as the individual ... task and combine the models in the global log-linearmodel of the SMT framework, following Fos-ter and Kuhn (2007) and Koehn and Schroeder(2007). Model combination is accomplished byadding...

Báo cáo khoa học: "SVD and Clustering for Unsupervised POS Tagging" docx

... type i. We next include a normalization step in which each row in each of L* and R* is scaled to unit length, yielding matrices L** and R**. Finally, we form a single descriptor matrix ... r2 = 300, and we again normalize the descriptors to unit length, yielding a new pair of latent descriptor matrices L** and R**. Finally, we concatenate L** and R** into a single matrix ... high numbers of induced tags, resulting in fine-grained labelings. The value of this flexibility is discussed in the next section. Figure 1 shows, as a function of k2, the tagging accuracy...

Báo cáo khoa học: "Methods and Practical Issues in Evaluating Alignment Techniques" doc

... not taken into account in the final grading of the systems. The overall ranking for all systems (excluding the TECH corpus results) is given in Figure 2, in terms of the Sent and Char F-measures. ... and Kenneth W. Church. 1991. A Program for Aligning Sentences in Bilin- gual Corpora. In 29th Annual Meeting of the Association -for Computational Linguis- tics, Berkeley, CA. N. Ide and ... Lai, and R.L. Mercer. 1991. Aligning Sentences in Parallel Corpora. In ~9th Annual Meeting o-f the Association for Computational Linguistics, pages 169-176, •Berkeley, CA,USA. Ido Dagan and...

Báo cáo khoa học: "Homophones and Tonal Patterns in English-Chinese Transliteration" doc

... between Mandarin Chinese and Cantonese, and report work in progress for dealing with homophones and tonal patterns despite potential skewed distributions of indi-vidual Chinese characters in the ... Virga and Khudanpur, 2003). Direct orthographic mapping (e.g. Li et al., 2004), mak-ing use of individual Chinese graphemes, tends 1 Mandarin names are transcribed in Hanyu Pinyin and Cantonese ... especially when the training data is limited. In this paper we report some work in progress and compare E2C in Cantonese and Mandarin Chinese. Related work will be briefly reviewed in Sec-tion 2....

Báo cáo khoa học: "DENORMALIZATION AND CROSS REFERENCING IN THEORETICAL LEXICOGRAPHY" ppt

... designed for perspicuous handling of linguistic data. Data management was done record by record to maintain integrity, but the normal form constraints on at- omicity and singularity of fields were ... contains fields for various aspects of the form, meaning, meaning-to-form mapping, and use of that sense. For the update and retrieval operations defined on relations to work right, the information ... formal constraints are conceptual constraints based on the fact that the information in some fields determines what can be in other fields; Ullman spells out the main kinds of such dependency....

Báo cáo khoa học: Neuroglobin and cytoglobin expression in mice Evidence for a correlation with reactive oxygen species scavenging doc

... neuroglobin and cytoglobin in a situation of chronic hypoxia in mice were examined using real-time quantitative PCR. The kinetics of thehypoxic expression of neuroglobin (brain, eyes) and cytoglobin ... neuronal (brain and retina) and some endocrine tissues, whereas Cygb isdetected in the nucleus and in the cytoplasm of manytypes of tissue [2,3]. In response to hypoxia, Ngb is up-regulated in vitro ... concentration of Ngb in the mouse retina is > 100 lm, and is thus within therange of Mb in the muscle, indicating the importantrole of Ngb in retinal function [18]. However, in con-trast to...

Báo cáo khoa học: "Compounding and derivational morphology in a ﬁnite-state setting" pptx

... the same remainder to the right of the dotwere collapsed ( and ).Since they are indistinguishable in terms of futurebehavior, making a distinction results in an unnec-essary increase of the ... to deal withthe bracketing structure of compounding, whichwould be impossible to cover in full generality in the ﬁnite-state setting. In languages like German, spelling conventionsfor compounds ... verbal stemrealize (and non- could combine with a more complex form).However, since in English there is much less token-level inter-action between derivation and compounding, a ﬁnite-state ap-proximation...

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