Báo cáo khoa học: "ACQUIRING CORE MEANINGS OF WORDS, REPRESENTED AS JACKENDOFF-STYLE CONCEPTUAL STRUCTURES, FROM CORRELATED STREAMS OF LINGUISTIC AND NON-LINGUISTIC INPUT" potx

... Informa- tion and Control, 10(2):189-208, 1967. ACQUIRING CORE MEANINGS OF WORDS, REPRESENTED AS JACKENDOFF-STYLE CONCEPTUAL STRUCTURES, FROM CORRELATED STREAMS OF LINGUISTIC AND NON -LINGUISTIC ... scenarios as input. Each sce- nario comprises linguistic information, in the form of a sequence of sentences, and non -linguistic information. The non -linguistic information is a sequence of conceptual ... correlated sources of input, the linguistic and the non -linguistic, the learner can infer the set of possible lexicons (i.e. the possible 143 categories and meanings of the words in the linguistic...

Báo cáo khoa học: "Acquiring the Meaning of Discourse Markers" doc

... (Lascarides and Asher, 1993). On the other hand, several of the dis-course markers we count as TEMPORAL, such as assoon as, might be described as CAUSAL (Oberlan-der and Knott, 1995). One of ... type. This approach of classifying linguistic types by the distribution of linguistic tokens makesthis research similar in spirit to that of Baldwin and Bond (2003) and Stevenson and Merlo (1999).Discourse ... predictive of only certainsubclasses of the classes we used, e.g. hypotheticals,or signallers of contrast.6 Conclusions and future workWe have proposed corpus-based techniques for clas-sifying...

Tài liệu Báo cáo khoa học: "Acquiring Lexical Generalizations from Corpora: A Case Study for Diathesis Alternations" pdf

... given class as f(acquired, class), the number of verbs which were found in the corpus and are members of the class, over f(class), the total number of verbs which are listed in Levin as members ... 1: Random sample of acquired frequencies for the dative and benefactive alternations class the number of verbs acquired from the corpus against the number of verbs listed in Levin. As can ... scores, such as the association ratio (Church and Hanks, 1990) or ;(2, since it adequately takes into account the frequency of the co-occurring words and is less sensitive to rare events and...

Tài liệu Báo cáo khoa học: "Acquiring Receptive Morphology: A Connectionist Model" pdf

... combination of sequence and tense had somehow been attended to during training. In this ease, the future of one root has the same sequence of consonants as the present and past of the other. ... refer to this task as root and inflection identification. It is assumed that children learn to identify roots and inflections through the pre- sentation of paired forms and sets of morpheme ... roots, 15 each of CVC and CVCVC patterns of phones. Each word consisted of either two or three morphemes, a root and one or two inflections (referred to as "tense" and "aspect"...

Báo cáo khoa học: Arabidopsis thaliana CYP77A4 is the ﬁrst cytochrome P450 able to catalyze the epoxidation of free fatty acids in plants potx

... homogenizer and stored at)30 °C. The volume of resuspension buffer was propor-tional to the weight of the yeast pellet: microsomes extracted from 6 g of yeast were resuspended in 3 mL of buffer. ... sequence of CYP77A4 wasampliﬁed by PCR from a cDNA library of Arabidopsis and subsequently cloned into a yeast expression vector.The deduced protein (512 amino acids) has a calcu-lated mass of 58 ... diameter of 0.25 mm and a ﬁlmthickness of 0.25 lm (HP-5MS). The gas chromatographwas combined with a quadrupole mass-selective detector(Agilent 5973N). Mass spectra were recorded at 70 eV and analysed...

Báo cáo khoa học: "Acquiring a Lexicon from Unsegmented Speech" potx

... discarded from the dictionary for lack of use. /klkt~f/{ KICK OFF } is later found to be parsable into two sub- words, and also discarded. One can view this procedure as a variant of the expectation-maximization ... process, and used as a disambiguation step. 3 Tests and Results To test the algorithm, we used 34438 utterances from the Childes database of mothers' speech to children (MacWhinney and ... rection of current work and a discussion of the relevance of the problem for child language acquisition and computer speech recognition. 1 Introduction We are interested in how a lexicon of discrete...

Báo cáo khoa học: Two conserved domains in regulatory B subunits mediate binding to the A subunit of protein phosphatase 2A pdf

... additional classes of polypeptides also interact with the AC core of PP2A. Boththe small and middle T antigens encoded by polyomavirus and SV40, and the calmodulin-binding proteins striatin and SG2NA ... kit (Qiagen) and 200±400 ng of puri®ed DNA was added to 50 lLofreticulocyte lysate in the presence of [35S]methionine. Thereaction was incubated at 30 °C for 2 h. In several cases,additional ... (GST) and GST-A fusion proteinsThe GST-A subunit o f PP2A ( GST-A) construct was agenerous gift from M. Mumby (UT Southwestern, Dallas,TX, USA) [24]. Puri®cation of GST-A and GST proteinsfrom...

Báo cáo khoa học: Fully active QAE isoform confers thermal hysteresis activity on a defective SP isoform of type III antifreeze protein docx

... abilities of these isoforms to inhibit thegrowth of ice (i.e. TH activity). We used a recombi-nant nfeAFP6 as the SP isoform and nfeAFP8 as theQAE isoform, both of which were identified from Zoarces ... of a SP isoform (nfeAFP6) and the differences from those of a QAE isoform (nfeAFP8); both of these isoforms have beenidentified from the Japanese fish Zoarces elongatus Kner. The two isoformspossessed ... ability of ice growth inhibition of the SP and QAE isoforms onthe basis of a detailed analysis of the morphologicalchange in the ice crystal.ResultsRecombinant type III AFP isoforms from notched-fin...

Báo cáo khoa học: A novel gene, fad49, plays a crucial role in the immediate early stage of adipocyte differentiation via involvement in mitotic clonal expansion docx

... context of the prevention and treatment of obesity-related diseases, it is important to elucidate the mecha-nisms of adipocyte differentiation, as well as adipocyteenlargement.Much knowledge of ... FEBSfad49 was observed in the stromal–vascular fraction of WAT, and moderate expression was detected in heart,skeletal muscle and the mature adipocyte fraction of WAT. Thus, the expression of fad49 ... expressionlevels of fad49 during the myogenesis of mouse C2C12cells. Expression of fad49 was weak, and the level wasunchanged during myogenesis of C2C12 cells (data notshown).Effect of fad49 knockdown...

Báo cáo khoa học: "acquiring and structuring semantic information from text" pdf

... component of this process, and it is the basis for extending it to other sources of information such as encyclopedias and text corpora. 4 Labeled, semantic relations The different types of labeled, ... processing of other corpora (specifically, to the text of the Microsoft Encarta® 98 Encyclopedia) and on future plans for MindNet. For additional details and background on the creation and use of ... often been based on statistical analyses of large corpora that yield clusters of words occurring in similar bigram and trigram contexts (e.g., Brown et al. 1992, Yarowsky 1992), as well as...

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