Báo cáo khoa học: "Maximum Entropy Model Learning of the Translation Rules" pot

... is always higher than the model 1. Thus, the model 1 + 2 is more'effective than the model 1 for learning the translation rules. However, the result shows that the recall 1174 ... part -of- speech for Japanese). We tried to learn the translation rules from English to Japanese. We had two ex- periments: one of model 1 as the set of fea- ture fu...

Ngày tải lên: 23/03/2014, 19:20

... MaxEnt model over the entire sequence: it differs from the Maxent in that it models the sequence informa- tion, whereas the Maxent makes a decision for each state independently of the other states. The ... . . , ˆs L L [k]  The runtime of the algorithm is Θ  |Y| k · L  , linear in the size of the sentence L but exponential in the size of the Markov dependen...

Ngày tải lên: 17/03/2014, 04:20

... mechanisms; one of these is the control of GnRH synthesis and release. In the past, the scarcity of GnRH neurons and their widespread distribution in the brain hindered the study of GnRH gene expression. Until ... Because of the recent discovery of GnRH-II as a new isoform of GnRH, the majority of the studies have been done on the GnRH-I promoter, and there a...

Ngày tải lên: 16/03/2014, 04:20

... ce> operator. The set of possi- ble worlds (or states) in the model is the set of all possible assignments to the variables in the lan- guage. Atomic programs change the values as- signed ... keeps track of the state of the con- versation. The dialogue gameboard (DGB), Ginzburg's particular version of the conversational score- board, plays a centr...

Ngày tải lên: 31/03/2014, 20:20

... and the increment of the language model score according to the Equation (4). When the whole input sentence is covered, the decoding is over. Pruning of the search space is very important for the ... ways. The first one is recombination. When two derivations in the same cell have the same w leftmost/rightmost words on the English yields, where w depends on the orde...

Ngày tải lên: 08/03/2014, 02:21

... quality of the perfect and im- perfect vowels of the basic forms of the Semitic verbs are idiosyncratic. For example, the Syr- iac root {ktb} takes the perfect vowel a, e.g. /ktab/, while the ... which in- dicates the (optional) omission from LLC of tuples, provided that the tuples to the left of are the first to appear on the left of LEx. In our morp...

Ngày tải lên: 08/03/2014, 07:20

... extension of the perceptron-based on- line learning used in previous work on discrimi- native language models. Furthermore, we extend confidence-weighted learning with soft margin to handle the case ... significant features as in the case of language modeling. Motivated by this, we adopt a simplified version of the CW algorithm of (Dredze et al., 2008). We in- troduce a score...

Ngày tải lên: 17/03/2014, 00:20

... sentences in the training set, 𝐸 ! ∗ is the reference translation of the n-th source sentence 𝐹 ! , and 𝐸 ! ∊ 𝐻𝑦𝑝(𝐹 ! ) that denotes the list of translation hypotheses of 𝐹 ! . Since the sentences ... based on the performance on the validation set. For simplicity reasons, the tuning of τ makes use of only the phrase translation models. Table 2 reports...

Ngày tải lên: 23/03/2014, 14:20

... satisfies the first order Markov property. The first assumption distinguishes the se- mantics of the occurrence of each word in the doc- ument, the second requirement confines the unreal- istic “bag -of- word” ... treated the same as in other topic models. Chen et al. introduced the gen- eralized Mallows model to constrain the latent topic assignments (Chen et al., 2009)...

Ngày tải lên: 30/03/2014, 21:20

... Comparision of : the numbers of seg- ments were given beforehand. a one-sided -test of the null hypothesis of equal means. The probability of the null hypothesis being true is displayed in the row ... repetition as a measure of cohesion. Choi (2000) used the rank of the cosine, rather than the cosine itself, to measure the similarity of sentences. The stati...

Ngày tải lên: 31/03/2014, 04:20