models of language acquisition

... efficiency of parameter-setting acquisition models. We have recently run experiments of seven parameter-setting (P&P) models of acquisition on the domain. What follows is a brief discussion of ... resource for investigators interested in computational models of natural language acquisition. 2 The Language Domain Database The focus of the language domain database, (hereafter LDD), is to ... 27 (4), 605-622. Briscoe, T. (2000). Grammatical acquisition: Inductive bias and coevolution of language and the language acquisition device. Language, 76 (2), 245-296. Chomsky, N. (1981) Lectures...

Ngày tải lên: 08/03/2014, 04:22

... ignored in the for- mal studies of language acquisition. In the rest of this section, I show that if this condition is taken se- riously, previous models of language acquisition have difficulties ... population of grammars Learning, including language acquisition, can be characterized as a sequence of states in which the learner moves from one state to another. Transfor- mational models of language ... Institute of Technology Cambridge, MA 02139 charles@ai, mit. edu Abstract This paper argues that developmental patterns in child language be taken seriously in computational models of language acquisition, ...

Ngày tải lên: 20/02/2014, 19:20

... intersection of two matricible languages is again a matricible language. Proof. This is a direct consequence of the con- siderations in Section 6 together with the observa- tion, that the new set of acceptance ... (non-context-free) language {a m b m c m | m > 0}. The following properties of matrix grammars and matricible language are straightforward. Proposition 2 All languages characterized by a set of linear ... underlying word space models; e.g., the models of Widdows (2008) and Giesbrecht (2009) feature dimensionality reduction while that of Mitchell and Lapata (2008) does not. In the light of these findings,...

Ngày tải lên: 07/03/2014, 22:20

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Ngày tải lên: 07/09/2013, 13:06

... true of me”; (2) “Usually not true of me”, (3) “Somewhat true of me”, (4) “Usually true of me” or (5) “Always true of me”. For the convenience of the respondents and the researcher’s purpose of ... improve competence in a second language . Therefore, the language learner capable of using a wide variety of language learning strategies appropriately can improve his language skills in a better ... statement is (1)“Never true of me”; (2)“Usually not true of me”, (3) “Somewhat true of me”, (4) “Usually true of me” or (5) “Always true of me”. The whole set of questionnaire was translated...

Ngày tải lên: 29/01/2014, 00:23

... of a variety of language models trained from text or speech corpora of vari- ous genres and sizes. The largest available language models are based on written text: we investigate the effect of ... text language models as opposed to language models based on speech transcripts. Sec- ond, we develop a new set of reranker features ex- plicitly designed to capture important properties of speech ... set of reranker features, which consisted of features for all of the language models plus the extended (i.e., indicator) features, and used this model to analyse the test data. The f- score of...

Ngày tải lên: 20/02/2014, 04:20

... size of the web mixture LM is limited to the size of the baseline in-domain LM. 1 Introduction An automatic speech recognition (ASR) system consists of acoustic models of speech sounds and of a ... Kneser- Ney smoothed n-gram models. IEEE Transac- tions on Audio, Speech and Language Processing, 15(5):1617–1624. A. Stolcke. 1998. Entropy-based pruning of backoff language models. In Proc. DARPA ... FSTs of differ- ent sizes. The FSTs contain the acoustic models, language model and lexicon, but the LM makes up for most of the size. The availability of data varies for the different languages,...

Ngày tải lên: 22/02/2014, 02:20

... Based n-gram Models of Natural Language& quot;. Computational Linguistics, 18(4):467-480. C. Chang and C. Chen. 1996. "Application Is- sues of SA-class Bigram Language Models& quot;. ... Acquisi- tion of Language Models for Speech Recog- nition". Master's thesis, Massachusetts Insti- tute of Technology. M. Meteer and J.R. Rohlicek. 1993. "Statis- tical Language ... "Scalable Trigram Backoff Language Models& quot;. Techni- cal Report CMU-CS-96-139, Carnegie Mellon University. S. Sneff. 1992. "TINA: A natural language sys- tem for spoken language applications"....

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Ngày tải lên: 30/03/2014, 21:20

Ngày tải lên: 31/03/2014, 21:20

... national language policy currently in place in Botswana, is that Setswana is the national language of the country (Republic of Botswana 1985:8). So, despite the existence of other local languages, ... parts of the world, education is for the most part the preserve of the few (elites). The choice of which language or dialect to use to teach (medium of instruction) reflects the interests of those ... second and even third languages are added to the learners’ repertoire of language systems whilst sustaining the primary language through the schooling process instead of subtractive bilingualism...

Ngày tải lên: 05/11/2012, 16:27

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Ngày tải lên: 19/08/2013, 23:10

... assists in the successful acquisition of a second language. At the same time it is necessary to view motivation as one of a number of variables in an intricate model of interrelated individual ... Instrumental motivation is often characteristic of second language acquisition, where little or no social integration of the learner into a community using the target language takes place, or ... in Second Language Acquisition Jacqueline Norris-Holt This paper explores Gardner's socio-educational model and the significance of motivation as a contributing factor in second language (L2) acquisition. ...

Ngày tải lên: 06/09/2013, 10:10

... women in the form of the right to an abortion as an instrument of care-giving not to the fetus, of course, but to others. We can see a good example of the use of a traditional model of motherhood ... with homicide of the inhabitants of the farm house, he can rightly point out that the object of the law of homicide is to save life, and that by his conduct he has eVected a net saving of innocent ... model of motherhood and abortion rights Underlying the problem deWnition of abortion rights is a traditional view of motherhood – one that rests upon a relational view of women, deWned in terms of...

Ngày tải lên: 01/11/2013, 08:20