Báo cáo khoa học: "Unsupervised Learning of Acoustic Sub-word Units" pot

... France emmanuel.dupoux@gmail.com Abstract Accurate unsupervised learning of phonemes of a language directly from speech is demon- strated via an algorithm for joint unsupervised learning of the topology and parameters of a hidden Markov ... Proceedings of ACL-08: HLT, Short Papers (Companion Volume), pages 165–168, Columbus, Ohio, USA, June 2008. c 2008 Association for Computat...

Ngày tải lên: 08/03/2014, 01:20

... indicates an improvement of 22-38% in average pre- cision over unstemmed text, and 96% of the performance of the proprietary stem- mer above. 1 Introduction Stemming is the process of normalizing word ... two examples use the joint probability of the prefix and suffix, with a smoothing back-off (the product of the individual probabilities). Scor- ing models of this form proved to...

Ngày tải lên: 08/03/2014, 04:22

... ex- amples of the previous section. From the point of view of bag -of- word methods, the pairs (T 1 , H 1 ) and (T 1 , H 2 ) have both the same intra-pair simi- larity since the sentences of T 1 and ... rules that describe a non trivial set of entailment cases. The experiments with the data sets of the RTE 2005 challenge show an improvement of 4.4% over the state -of- the-art me...

Ngày tải lên: 20/02/2014, 12:20

... Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 428–435, Sydney, July 2006. c 2006 ... Computational Linguistics 428 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 1 2 3 4 5 6 7 8 entropy offset 429 430 431 432 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0.55 0.6 0.65 0.7 0.75

Ngày tải lên: 20/02/2014, 12:20

... Online Learning of Approximate Dependency Parsing Algorithms Ryan McDonald Fernando Pereira Department of Computer and Information Science University of Pennsylvania Philadelphia, ... parsing algorithm. of dependents have been gathered. T his allows for the collection of pairs of adjacent dependents in a single stage, which allows for the incorporation of second-order scores,...

Ngày tải lên: 22/02/2014, 02:20

... + I i,r  j<i:r i =r j θ x i ,x j /  w θ w,x i (2) 3 While the number of rhyme schemes of length n is tech- nically the number of partitions of an n- element set (the Bell number), only a subset of these are typically used. 78 P ... extremely useful for large-scale statistical analyses of poetic texts. • Historical Linguistics/Study of Dialects Rhymes of a word in poetry...

Ngày tải lên: 07/03/2014, 22:20

... gcel-pursuin~ planner, end the use of dynamic models of speaker and hearer to shape the text to the task at hand. STATEMENT OF THE PROBLEM The task of KDS is to generate English text ... vlz: ordering among sentences and the scope of each, quality comparisons between alternative 8~regations of sub-sententJal units, the coordination of communication with non-linguistic...

Ngày tải lên: 21/02/2014, 20:20

... experimental data consisted of repeating sequences of measurements of the parallel and perpendicular polarized emission fluorescence decays of the reference compound (three cycles of 20 s), the protein ... the shape of LamA is globular-ellipsoid with calculated dimensions of 4.6 nm · 3.2 nm · 3.4 nm. For the selec- tion of the best model preliminary analysis of the NMR soluti...

Ngày tải lên: 07/03/2014, 21:20

... Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, pages 25–32, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Transductive learning ... in- dependently of each other: the translation model p(s |t) and the target language model p(t). State -of- the-art SMT systems are trained on large collections of text wh...

Ngày tải lên: 08/03/2014, 02:21

... spe- cific types of part-whole relations (member -of, sub-quantity -of, contained-in, structural part -of and located-in), and for the general set composed of all types. 4.1 Precision of Extracted Relations Two ... extraction (IE) harder when learning the individual types of part-whole relations? That is, we determine whether the performance of state -of- the-art IE systems in l...

Ngày tải lên: 20/02/2014, 04:20