Báo cáo khoa học: "Machine Translation: its History, Current Status, and Future Prospects Jonathan Slocum Siemens" pdf

Tài liệu Báo cáo khoa học: "Machine Translation Using Probabilistic Synchronous Dependency Insertion Grammars" pptx

... and tree transducers to handle non-isomorphism are limited. At some level, a synchronous derivation process must exist between the source and target language sentences. 2. The training and/ or ... The results are shown in Figure 9. The score types “I” and “C” stand for individual and cumula-tive n-gram scores. The final NIST and Bleu scores are marked with bold fonts. Systems Score ... models and then projected the alignments back to the parse trees. This motivated us to look for a more efficient and effective way to induce a synchronous gram-mar from parallel corpora and...

Tài liệu Báo cáo khoa học: "Machine Translation will not Work" pptx

...

Tài liệu Báo cáo khoa học: " Machine Translation already does Work" doc

... Acacias CH-1227 Geneva, Switzerland PANELIST STATEMENT The first difficulty in answering a question like "Does machine translation work is that the question itself is ill- posed. It takes ... lying behind the original question -and behind the moderator's statement- concerns systems which are in some way subject to external evaluation, and which can therefore lead to dissatisfaction. ... machine translation system in the first place, and the translation should be thrown away). In such a situation, an inter- active system, on the other hand, is likely to be unsuitable, since the...

Báo cáo khoa học: "Machine Translation System Combination by Confusion Forest" docx

... (Klein and Manning, 2001; Huang and Chiang, 2005) and machine translation (Chiang, 2007; Huang and Chi-ang, 2007).More formally, a hypergraph is a pair ⟨V, E⟩where V is the set of nodes and E ... ⟨head(e), tails(e)⟩where head(e) ∈ V is a head node and tails(e) ∈V∗is a list of tail nodes, corresponding to theleft-hand side and the right-hand side of an in-stance of a rule in a CFG, respectively. ... letters X ∈ N to denotenon-terminals and x ∈ T for terminals. LowercaseGreek letters α, β and γ are strings of terminals and non-terminals (T ∪ N)∗. u and v are weights asso-ciated with each...

Báo cáo khoa học: "MACHINE TRANSLATION : WHAT TYPE OF POST-EDITING ON WHAT TYPE OF DOCUMENTSFOR WHAT TYPE OF USERS" pdf

... They were mainly based on the subject field of the text, on its function, on its structure, on the sentence and paragraph length and complexity, on the use of particular terminologies. 236 ... machine can understand the meaning of a text and re-express it in an other language, so no machine can translate. The debate is about the necessity of a deep semantic understanding for translating, ... based on machine translation, on communication situations and on the users' requirements and satisfaction. I. MACHINE TRANSLATION AND POST-EDITING, A EUROPEAN EXAMPLE Machine translation...

Báo cáo khoa học: "Machine Translation without Words through Substring Alignment" pdf

... tohandle morphology, decompounding and regulariza-tion through lemmatization, morphological analysis,or unsupervised techniques (Nießen and Ney, 2000;Brown, 2002; Lee, 2004; Goldwater and ... names, which have been handledby using cognates or transliteration to improve trans-lation (Knight and Graehl, 1998; Kondrak et al.,2003; Finch and Sumita, 2007), and more sophisti-cated ... words ineach sentence pair.We represent our target and source sentences aseI1 and fJ1. ei and fjrepresent single elements ofthe target and source sentences respectively. Thesemay be words...

Báo cáo khoa học: "Machine Translation with a Stochastic Grammatical Channel" doc

... Bilingual Corpus, and partly entered by hand. The corpus was sentence-aligned statistically (Wu, 1994); Chinese words and collocations were ex- tracted (Fung and Wu, 1994; Wu and Fung, 1994); ... Younger, 1967). We take the standard notion of items (Aho and Ullman, 1972), and use the term an- ticipation to mean an item which still has symbols right of its dot. Items that don't ... a standard grammar (Bei- jing Language and Culture Univ., 1996) and totalled 316 productions. Not all the original productions are mirrored, since some (128) are unary productions, and...

Tài liệu Báo cáo khoa học: "An Alignment Algorithm using Belief Propagation and a Structure-Based Distortion Model" pdf

... computing the English-side mes-sages and beliefs (meij and bei) , but the processmust also be done symmetrically for the French-side messages and beliefs (mfij and bfi) at everyiteration.0- ... Conclusion and Future WorkWe will summarize what we think are the 4 moreinteresti ng contributions of this paper. BP al-gorithm has been shown to be useful and ﬂexi-ble for training and decoding ... func-tion of the values of the random variables associ-ated with the V-Nodes, but for brevity, we will fre-quently mix the notions of V-Node, Random Vari-ables and their values). The joint distribution...

Báo cáo khoa học: "A Freely Available Morphological Analyzer, Disambiguator and Context Sensitive Lemmatizer for German" pdf

... form of a text, the analysis system determines its root, part of speech, and - if appropriate - its gender, case, number, person, tense, and comparative degree. It also segments compound ... prefixes and suffixes and reverses the process of vowel mutation if umlauts are found (shifts between B 744 and ss are treated analogously). Each root is looked up in the lexicon, and - if ... PC-Kimmo 743 and Plain, is given in the documentation for the Morpholympics (Hausser, 1996). The Morpho- lympics were an attempt to compare and evalu- ate morphology systems in a standardized...

Báo cáo khoa học: "A Comparative Study of Hypothesis Alignment and its Improvement for Machine Translation System Combination" pot

... Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 941–948,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLPA Comparative Study of Hypothesis Alignment and its Improvement for ... co-occurrence frequencies. They are association score of the null-aligned word and its left word, or the null-aligned word and its right word. We use point-wise mutual information (MI) as Equa-tion ... measures the ratio of minimum number of string edits between a hypothesis and reference where the edits include insertions, deletions, substitu-tions and phrase shifts. The hypothesis is modi-fied...

Xem thêm