Tài liệu Báo cáo khoa học: "Unsupervised Search for The Opti

Tài liệu Báo cáo khoa học: "Unsupervised Search for The Optimal Segmentation for Statistical Machine Translation" doc

... Student Research Workshop, pages 31–36, Uppsala, Sweden, 13 July 2010. c 2010 Association for Computational Linguistics Unsupervised Search for The Optimal Segmentation for Statistical Machine ... into ques- tion: For the particular language pair and training corpus at hand, what is the optimal (level of) sub- word segmentation? Therefore, it is desirable to learn...

Ngày tải lên : 20/02/2014, 04:20

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Tài liệu Báo cáo khoa học: "Bilingually Motivated Domain-Adapted Word Segmentation for Statistical Machine Translation" pptx

... using the same procedure as for the baseline sys- tem; the only difference is the basic unit we are considering. Once the phrases are extracted, we perform the estimation of weights for the fea- tures ... evaluate the performance of our approach via the Chinese–English translation task, i.e. we measure the inﬂuence of the segmentation process on the ﬁnal tran...

Ngày tải lên : 22/02/2014, 02:20

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Tài liệu Báo cáo khoa học: "Unsupervised Semantic Role Induction with Global Role Ordering" doc

... generating the SRs indepen- dently of each other given the interval is based on the intuition that knowing the core roles informs us about the expected non-core roles that occur between them. This ... which means that the only context information a SR has is whether it is to the left or right of the predicate. 2 The baseline F1 reported by Lang and Lapata (2011b) is 79.5 d...

Ngày tải lên : 19/02/2014, 19:20

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Tài liệu Báo cáo khoa học: "Unsupervised Discourse Segmentation of Documents with Inherently Parallel Structure" pdf

... merge them; if one of them was a document-level segment then the new segment has the same document-level topic. All the moves are selected with the uniform prob- ability, and the distance c for the ... parts. The formal deﬁnition of our model is as follows: • Draw the document-level topic proportions β (doc) ∼ GEM(α (doc) ). • Choose the document-level language model φ...

Ngày tải lên : 20/02/2014, 04:20

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Tài liệu Báo cáo khoa học: "Unsupervised Translation Induction for Chinese Abbreviations using Monolingual Corpora" ppt

... entry into the baseline table. On the other hand, if the entry is already in the baseline phrase table, then we merge the entries by enforcing the translation prob- ability as we obtain the same ... get the translation entries for the full-form, we can replace the full- form Chinese with its abbreviation to generate translation entries for the abbreviation. Mor...

Ngày tải lên : 20/02/2014, 09:20

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Tài liệu Báo cáo khoa học: "Unsupervised Topic Modelling for Multi-Party Spoken Discourse" ppt

... most address only one of the two issues (usually for the very good reason that the dataset itself provides the other, for example by the ex- plicit separation of individual documents or news stories ... corresponds to the desired general level of granularity. For each set of annotations, we therefore performed two sets of segmentations: one in which the threshold was set...

Ngày tải lên : 20/02/2014, 11:21

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Tài liệu Báo cáo khoa học: "Unsupervised Relation Disambiguation Using Spectral Clustering" ppt

... and the function of the head is the function of the whole chunk. “NP-SBJ” means a NP chunk as the subject of the sentence. The other words in a chunk that are not the head have “NOFUNC” as their ... encoding the distances between the various points. The afﬁnity matrix is then nor- malized to form a matrix L by conjugating with the the diagonal matrix D −1/2 which has a...

Ngày tải lên : 20/02/2014, 12:20

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Tài liệu Báo cáo khoa học: "Unsupervised Segmentation of Chinese Text by Use of Branching Entropy" pdf

... 1e+06 size(KB) recall precision 434 Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 428–435, Sydney, July 2006. c 2006 Association for Computational Linguistics 428 0 0.1

Ngày tải lên : 20/02/2014, 12:20

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Tài liệu Báo cáo khoa học: Molecular basis of glyphosate resistance – different approaches through protein engineering doc

... 2). In the ﬁnal stage, the information gathered from the ﬁrst site saturation mutagenesis approach was combined by performing site saturation at posi- tion 51 on the A54R GO mutant, and then introducing the ... [2,6]. A further impetus for the adoption of glyphosate resistance traits is the reduction in cost brought about by the entry of generic producers following the exp...

Ngày tải lên : 14/02/2014, 14:20

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Tài liệu Báo cáo khoa học: Dmrt1 genes at the crossroads: a widespread and central class of sexual development factors in ﬁsh pdf

... evolutionary conservation. The common picture emerging here is that the genes at the top of the cascade are not conserved, whereas the downstream genes have homologues in a much broader spectrum of species [1,2]. For ... differentiation, whereas the opposite is true for testicular development. Furthermore, in females, cyp19a1a expression increased 1 and 2 weeks before the...

Ngày tải lên : 14/02/2014, 19:20

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