Tài liệu Báo cáo khoa học: "Exploring the Use of Linguistic Features in Domain and Genre Classification" potx

... the class of the majority of the items which reached it during training. The trees were grown using recursive partitioning; the splitting criterion was reduction in deviance. Using the Gini ... Proceedings of EACL '99 Exploring the Use of Linguistic Features in Domain and Genre Classification Maria Wolters' and Mathias Kirsten 2 1Inst....

Ngày tải lên: 22/02/2014, 03:20

... shows the f-scores for U-DOP* and UML-DOP against the f-scores for U-DOP reported in Bod (2006), the CCM model in Klein and Manning (2002), the DMV dependency model in Klein and Manning (2004) ... independent of whether the sentences come from the WSJ domain or the LA Times domain. Although the effect of adding LA Times data is weaker than adding WSJ dat...

Ngày tải lên: 20/02/2014, 12:20

... in the domain of cooking tasks. The domain is limited to a mini-world con- sisting of a small set of verbs chosen because they involve rather complex arm movements which will be interesting ... empirical, linguistic study of recipes was con- ducted with the goals of delimiting the scope of the cooking domain, identifying important verbal mod- ifiers, and...

Ngày tải lên: 21/02/2014, 20:20

... on the structural and functional characterization of an intriguing two- domain protein consisting of a Sco domain and a cyto- chrome c domain [85]. It was shown that the Sco domain does not bind ... anchoring the protein to the inner membrane of mitochondria [27]. Therefore, the N-ter- minal segment (containing the residues protruding into the mitochondrial mat...

Ngày tải lên: 14/02/2014, 18:20

... UDPGlcNAc, and the assay was initiated by addition of these two nucleotides. Where indicated, the assay was initiated by the addition of the enzyme preparation to an otherwise complete assay mixture. The ... that, because of the presence of saccharo- 1,4-lactone, an inhibitor of b-glucuronidase, in the samples where b-glucuronides had to be determined, the amount...

Ngày tải lên: 19/02/2014, 07:20

... for maintenance ( see b elow) d uring the extended g rowth times. Upon addition of acetate to the media containing glucose and propionate, the growth rate of both strains increased and the effect of ... etween the wild-type and the DmcsA strain. In the presence of only acetate there was no difference between the strains; the approximate growth rate was only 5...

Ngày tải lên: 19/02/2014, 16:20

... predicate, the semantic role of the argument, the head word and the boundary words of the argument. On the target side, the trans- lation of the verbal predicate, the translation of the head word of the ... right. ing, we run the training toolkit in a parallel manner. 4 Argument Reordering Model In this section we introduce the discriminative ar- gume...

Ngày tải lên: 19/02/2014, 19:20

... paper, we analyze the following three model families: In the HMM, the input x is a sequence of words and the output y is the corresponding sequence of part -of- speech tags. In the PCFG, the input x is ... and upper bounds on the distance from the true θ ∗ for the HMM as we increase the number of examples. In the unsupervised case, we use the follow...

Ngày tải lên: 20/02/2014, 09:20

... upper bound length of entities, N is the length of sentence and K is the size of label set. And that of training in first order semi-CRFs is O(K 2 LN). The increase of the cost is used to transfer ... RNA, cell line and cell type. The training set consists of 2000 abstracts from MEDLINE, and the evalu- ation set consists of 404 abstracts. We divided the or...

Ngày tải lên: 20/02/2014, 12:20

... of the lack of fine-grained subcategorization infor- mation in the PoS tags and by the need to balance depth of analysis against the size of the deriva- tion space. On the Susanne corpus, the geometric mean ... between the systems and of differing syntactic annotation of similar infor- mation, which lead to problems mapping between our GR output and the cu...

Ngày tải lên: 20/02/2014, 12:20