domain adaptation in nlp

Ngày tải lên: 31/03/2014, 01:20

... optimization. We break with prior domain adaptation re- search in that we do not rely on a binary clustering of in -domain and out-of -domain training data. We demonstrate that perplexity minimization scales well ... 5: Domain adaptation results DE–FR. Domain: Alpine texts. Full IN TM: Using the full in -domain parallel corpus; small IN TM: using 10% of available in -domain parallel data. weights. 12 However, ... explore adapting multiple (4–10) data sets with no a priori distinction between in -domain and out-of -domain data except for an in -domain development set. 1 Introduction The increasing availability...

Ngày tải lên: 17/03/2014, 22:20

... in the evaluation data and sampled their train- ing data according to these sense priors. The work of these researchers showed that when the domain of the training data differs from the domain ... word in a corpus depend on the domain from which the corpus is drawn. A change of predominant sense is often indicative of a change in domain, as different corpora drawn from different domains ... for instance . Based on , we can imagine that we have bins, where each bin is associated with a specific value. Now, distribute all the instances in the new dataset D into the bins according to...

Ngày tải lên: 08/03/2014, 02:21

... translocation domain (T domain) and the receptor-binding domain. The C and T domains remain covalently linked by a disulfide bond. Following binding to its cell-surface receptor, diphtheria toxin is internalized ... chain of 58 kDa [1]. During cell intoxication, diphtheria toxin is cleaved by furin into two fragments: the A chain corresponding to the catalytic domain (C domain) ; and the B chain corresponding ... deuterium; MG domain, molten globule domain; N, native; T domain, translocation domain. FEBS Journal 277 (2010) 653–662 ª 2009 The Authors Journal compilation ª 2009 FEBS 653 can result in the formation...

Ngày tải lên: 16/02/2014, 09:20

... thought by providing just such an interdisciplinary forum, in which research results, including novel concepts such as environmen- tally induced increases in mutation rates in bacteria and a ... gene regulons and regulatory pathways involved in freezing tolerance in Arabidopsis. Freezing tolerance increases in many plants in response to low, non-freezing temperature, a process known as ... exposure depending on the time of day of the exposure [51]. Cold induction of CBF2 involves multiple cis-acting regulatory elements, one of which binds members of the calmodulin-binding transcription...

Ngày tải lên: 18/02/2014, 11:20

... domain. Experiments show that sta- ble improvement is achieved by using domain adaptation. 1 Introduction Case marks of a sentence are represented by postpo- sitional particles in Japanese. Incorrect ... can appropriately correct new sentences while maintain- ing high accuracy on the training corpus. 3 Pseudo-error Sentences and Domain Adaptation The error corrector described in Section 2 requires paired sentences. ... corpus as the target domain, and models are learnt that fit the target domain. In this paper, we use Daume (2007)’s feature aug- mentation method for the domain adaptation, which eliminates the need...

Ngày tải lên: 19/02/2014, 19:20

... implicated in stop codon recognition [5–14]. The role of the middle (M) domain will be described in detail below. The C domain of eRF1 interacts with the C domain of eRF3 [15–18], and the binding of ... chain release factor is a three -domain protein involved in the termination of translation, the final stage of poly- peptide biosynthesis. In attempts to understand the roles of the mid- dle domain ... spectroscopy; M -domain, eRF1 middle domain (or domain 2); PTC, peptidyl transferase center of the ribosome; R 1 , longitudinal or spin–lattice relaxation rate; R 2 , transverse or spin–spin relaxation...

Ngày tải lên: 07/03/2014, 05:20

... maximize: p(s) n  j=1 p(f j |s) In our domain adaptation study, we start with a WSD system built using training examples drawn from BC. We then investigate the utility of adding additional in -domain training data from ... out-of -domain training data, ¯c denote the counts from in -domain adapta- tion data, and p denote the probability estimate by 51 we perform domain adaptation for WSD of a set of nouns using fine-grained ... learning for domain adaptation, fol- lowed by count-merging. Next, we describe an EM- based algorithm to estimate the sense priors in the new domain. Performance of domain adaptation us- ing active...

Ngày tải lên: 08/03/2014, 02:21

... applied in recent years. However, sentiment is expressed dif- ferently in different domains, and annotating corpora for every possible domain of interest is impractical. We investigate domain adap- tation ... for domain adaptation. In Neural Information Processing Systems (NIPS). John Blitzer, Ryan McDonald, and Fernando Pereira. 2006. Domain adaptation with structural correspon- dence learning. In ... of a possibly different domain. The baseline is a lin- ear classifier trained without adaptation, while the gold standard is an in -domain classifier trained on the same domain as it is tested. Figure...

Ngày tải lên: 08/03/2014, 02:21

... in protecting the H-cluster from solvent access [14]. In contrast to all Fe-hydrogenases including HydA of S. obliquus,the enzyme of C. reinhardtii has an interesting additional protein domain. ... present in the C. reinhardtii hydrogenase sequence. A highly conserved domain of about 130 amino acids was detected in the C-terminal part of the protein. The designated active- site domain [14] ... small insertion of 45 amino acids between residue Ser284 and Val330 builds an external loop of the protein that might b e involved in electrostatic binding of the natural electron donor ferredoxin...

Ngày tải lên: 08/03/2014, 22:20

... Foot-printing, Eco-standards and Inclusive Supply Chain, Forestry, Infrastructure Advisory, Green buildings/standards, Micro-finance, Insurance, Sustainable Investment, Community Investment, Investment ... Foot-printing, Eco-standards and Inclusive Supply Chain, Forestry, Infrastructure Advisory, Green buildings/standards, Micro-finance, Insurance, Sustainable Investment, Community Investment, Investment ... low incomes and increase illness and death rates in developing countries. Falling farm incomes will increase poverty and reduce the ability of households to invest in a better future, forcing...

Ngày tải lên: 16/03/2014, 14:21

... gains in performance when moving from Parliament domain to News domain. 3 Data Our source domain is European Parliament proceedings (http://www.statmt.org/ europarl/). We use three target domains: ... each domain, the percentage of target do- main word tokens that are unseen in the source domain, together with the most frequent English words in the tar- get domains that do not appear in the ... difference (in absolute terms) between the BASELINE and ORACLE-OOV systems. 7 Discussion In this paper we have shown that dictionary mining techniques can be applied to mine unseen words in a domain adaptation...

Ngày tải lên: 17/03/2014, 00:20

... assumes increasing decision power for processing flow, in cases of dialogue segment type with which it is familiar. The intended contribution of this work is thus in the generic definition ... troubleshooting (repair), context updating, anaphora resolution, and translation of natural language interpretations into functional interface languages of back-end systems. Future work includes investigation ... guage Processing. Moran D., Cheyer A., Julia L., Martin D. Park S. (1997) Multimodal User Interfaces in the Open Agent Architecture. Proc. International Conference on Intelligent User Interfaces....

Ngày tải lên: 17/03/2014, 07:20

... Co-Training. In Pro- ceedings of the 11th Annual Conference on Computa- tional Learning Theory, pages 92-100. Minmin Chen, Killian Q. Weinberger and John Blitzer. 2011. Co-Training for Domain Adaptation. ... Jiang and Chengxiang Zhai. 2007. Instance Weight- ing for Domain Adaptation in NLP. In Proceedings of the 45th Annual Meeting of the Association of Compu- tational Linguistics, pages 264-271. Andrew ... 1999. Transductive Inference for Text Classification using Support Vector Machines. In Proceedings of Sixteenth International Conference on Machine Learning, pages 200-209. Jing Jiang and Chengxiang...

Ngày tải lên: 23/03/2014, 14:20

... A.M. Walling- ton. 2007. Metaphor, inference and domain- independent mappings. In Proceedings of RANLP- 2007, pages 17–23, Borovets, Bulgaria. A. Alonge and M. Castelli. 2003. Encoding informa- tion ... variations in domain- specific selectional preferences, which are inferred from large, dynamically mined Internet corpora”. For example, Mason collects texts from the LAB do- main and the FINANCE domain, ... capture some generalisations govern- ing polysemy: over time some of the aspects of the target domain are added to the meaning of a term in a source domain, resulting in a (metaphor- ical) sense extension...

Ngày tải lên: 23/03/2014, 16:20

... (Rosenfeld, 1996) to a new domain, given a large corpus of out-of -domain training data and a small corpus of in -domain data. The main contribution of this ∗ Currently with Tallinn University of Technology, ... model jointly optimizes global and domain- specific parameters, using parameters built from pooled data as priors for domain- specific parameters. In other words, instead of using smoothing to encourage ... when learning a model from in -domain data. The main differ- ence is the fact that in this method, the models are estimated jointly while in the other works, back- 302 Perplexity WER LER Adaptation data...

Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 23/03/2014, 18:20

Ngày tải lên: 29/03/2014, 07:20

Ngày tải lên: 30/03/2014, 04:20

Ngày tải lên: 30/03/2014, 21:20