Báo cáo khoa học: "Similarity metrics for aligning children''''''''s articulation data" pdf

... Similarity metrics for aligning children's articulation data 1. Background This paper concerns the implementation and testing of similarity metrics for the alignment of phonetic ... described an algorithm for aligning historical cognates. The present author was struck by the possibility of using this technique for the child-language application, a task for whi...

Ngày tải lên: 31/03/2014, 04:20

... and 0.33 for words, indicating that characters are less noisy than words, and are therefore more suitable for use in align. 7. Conclusions This paper has proposed a method for aligning sentences ... purett. Aligning sentences is just a first step toward constructing a probabilistic dictionary (Table 3) for use in aligning words in machine translation (Brown et al., 1990)...

Ngày tải lên: 20/02/2014, 21:20

... of the Association for Computational Linguistics, pages 1027–1035, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Reordering Metrics for MT Alexandra Birch ... us to apply research into metrics for ordered encodings to measuring and evaluating reorderings. We use dis- tance metrics over permutations to evaluate reorder- ing performance. Fig...

Ngày tải lên: 30/03/2014, 21:20

... steps, for 1 ≤ i ≤ r: E-step: For each i ∈ {1, , r}, optimize the bound given λ and q i  (y)| i  ∈{1, ,r }\ {i} and q i  (θ)| i  ∈{1, ,r } by selecting a new distribution q i (y). M-step: For ... We therefore report results with our method only for the logistic normal prior. We do inference on sections 1–270 and 301–1151 of CTB10 (4,909 sentences) by running the EM al- gorithm fo...

Ngày tải lên: 08/03/2014, 01:20

... possible to run a constrained forward- backward algorithm and learn the parameters for CRFs as well. 2.1.2 Feature Space In this section we define the feature representa- tion for each clique, f(y d , ... which helped improve performance. 2.2 Beyond Two-Level Models To this point, we have focused solely on a model for two-level fine-to-coarse sentiment analysis not only for simplicity,...

Ngày tải lên: 08/03/2014, 02:21

... (producing the text string) and for- matting (determining the formatting marks to insert in the text string). Developing an appli- cation to present the information for a given domain is often ... alization, and formatting. PRESENTOR is im- plemented and is portable cross-platform and cross-domain. It has been used with success in several application domains including weather fo...

Ngày tải lên: 08/03/2014, 05:21

... It places no restrictions on the form of the fillers for any slot in a gran~ node. The production rules ~,force categorial and order~,~ restrictions. So, for example, the templates reflect ... each nominal repr~ztati~z in the dependent item list: form the results into a set of lists, one for each combination of possible results for expressing each nominal: insert each result...

Ngày tải lên: 09/03/2014, 01:20

... of commutativity or associativity are available for testing logical equivalence 1. One of the 1Strictly speaking, we test for a very strict form of consistency. Two LFs are considered logically ... arguments. reduce (Sign0, Sign) :- transform(Sign0, Sign1), reduce (Sign1, Sign) . transform(Daughter, Mother) :- unary_rule(Mother, Daughter). transform(Sign0, Sign) :- path_value(...

Ngày tải lên: 09/03/2014, 01:20

... were hypothesized before evidence was observed for them. Therefore, these HHMM metrics resemble an integration cost encompassing both backward- looking and forward-looking information. On the other ... complexity metrics will be calculated in a Hierarchical Hidden Markov Model (HHMM) parser that recognizes trees in right-corner form (the left-right dual of left-corner form). This type o...

Ngày tải lên: 23/03/2014, 16:20

... supervision for relation extraction without labeled data Mike Mintz, Steven Bills, Rion Snow, Dan Jurafsky Stanford University / Stanford, CA 94305 {mikemintz,sbills,rion,jurafsky}@cs.stanford.edu Abstract Modern ... negatives will have a small effect on the per- formance of the classifier. For performance rea- sons, we randomly sample 1% of such entity pairs for use as negative training...

Ngày tải lên: 23/03/2014, 16:21