SEQUENCE ALIGNMENT ppt

... improves the quality and reliability of parallel texts alignment. As this alignment algorithm is not restricted to paragraphs or sentences, 100% alignment preci- sion may be degraded by language specific ... makes the translations extraction task easier and more reli- able. Alignment is usually done by finding correspondence points – sequences of characters with the same form in both...

Ngày tải lên: 20/02/2014, 18:20

... Tsuruoka and Tsujii, 2005; Lin and Wu, 2009). One important task in sequence labeling is how to find the most probable label sequence from among all possible ones. This task, referred to as decoding, ... a brief overview of sequence la- beling and introduce related work. 2 Our implementation is available at http://www.tkl.iis.u- tokyo.ac.jp/˜kaji/staggered 485 2.1 Models Sequence label...

Ngày tải lên: 07/03/2014, 22:20

... to offset the perceived shock and sets r 2 = 1 κ E CB 2 ε 2 . (6) The simplicity of this choice is a consequence of our assumption that the economy will return to the steady state in period t =3.It can ... the interest rate is equivalent to fully revealing the central bank signal ε CB 1,2 . 10 As a consequence, in period 1 the private sector receives two signals about ε 2 : its own signal ε P...

Ngày tải lên: 17/02/2014, 03:20

... elements as a tetramer via its core domain. The importance of p53 sequence- specific Keywords cisplatin; DNA damage; protein p73; sequence- specific DNA recognition; tumor suppressor protein p53 Correspondence M. ... depending on the nucleotide sequence of the given target site. The relative sensitivities of protein–DNA binding to cisplatin DNA treatment correlated with the occurrence of s...

Ngày tải lên: 19/02/2014, 05:20

... N-terminal sequence analysis. N-Terminal sequence analysis and BLAST search Edman degradation was performed on an automated pro- tein sequencer (model 491; Applied Biosystems). Protein Sequence ... protein’ sequence (DDBJ ⁄ EMBL ⁄ GenBank accession number CAF95589) of spotted river puffer Tetraodon nigroviridis, which was extracted from blastp for N-terminal sequence of anserinase....

Ngày tải lên: 19/02/2014, 07:20

... one-to-many alignment, which we will call HE UR-B as it creates alignments simi- lar to the block ITG, or an at-most-one alignment, which we will call HEUR-W as it generates word alignments. ... discrimi- native model that performs joint word alignment and phrase extraction, and found that joint estimation of word alignments and extraction sets improves both word alignment accuracy and...

Ngày tải lên: 20/02/2014, 04:20

... squares represent gold stan- dard sure alignments, circles are gold possible align- ments, and filled squares are predicted alignments. over the alignment sequence. Here t ranges over the indices ... and possible (P ) alignments (S ⊆ P ; Och and Ney (2003)), where the possible alignments indicate ambiguous or idiomatic alignments. We measure the performance of our model using alignment er...

Ngày tải lên: 20/02/2014, 11:21

... et al. (2005) took all alignment links as sure links. If we use to represent the set of alignment links identified by the proposed methods and to denote the reference alignment set, the meth- ods ... additional corpora and with L3 as the pivot language, we build a word alignment model for L1 and L2. This approach can build a word alignment model for two languages even if no...

Ngày tải lên: 20/02/2014, 12:20

... 1991). They proposed Conditional Random Fields (CRF) as a general solution for sequence clas- sification. CRF models a sequence as an undirected graph, which means that all the individual tasks are solved ... Algorithm Terminology: Let the input sequence be w 1 w 2 · · · w n . For each token w i , we are expected to assign a label t i ∈ T, with T the label set. A subsequence w i · · · w...

Ngày tải lên: 20/02/2014, 12:20

... the sentence pair, forming an alignment map for each sentence pair in the training corpus. The most likely alignment pattern between a source and target sen- tence under the trained alignment model will ... from methods that try to create globally consistent alignment model phrase segmen- tations. We first describe the information available within alignment data, and go on to describ...

Ngày tải lên: 20/02/2014, 16:20