Báo cáo khoa học: "A Tradeoff between Compositionality and Complexity in the Semantics of Dimensional Adjectives" potx

... knowledge base. Thus in the present paper, I investigate the kinds of relations that appear in formal theories of the meanings of the following morphosyntactic con- structions of dimensional adjectives: ... factor terms by analyzing the complexity of reasoning that they entail. In par- ticular, I will investigate the complexity of constraint propagation in a system where the meaning repre- sentations ... section by examining whether the increase in representational complexity in the transition from Table 1 to Table 2 entails an increase in the com- putational complexity of reasoning for a knowledge...

Báo cáo khoa học: Accessory proteins functioning selectively and pleiotropically in the biosynthesis of [NiFe] hydrogenases in Thiocapsa roseopersicina docx

... protein, likely to be involved in the processing of the HupL subunit [15]. It is plausible toassume that HynD is involved in the maturation of the HynL protein. Indeed, in the strain harboring the ... acidresidues in the truncated HupK originated from the N-terminus, 37 aa from the C-terminus of the protein and 13 aa came from the multiple cloning site of the pK18mob-sacB vector. The extensively ... roseopersicina and to understand their physio-logical roles. The determination of the speciﬁcity of the accessory proteins is a challenging exercise in this micro-organism because of the presumed...

Báo cáo khoa học: A novel serine protease highly expressed in the pancreas is expressed in various kinds of cancer cells potx

... conﬁrm the expression of proseminmRNA in some cell lines. A band of the predicted size(500 bp) of the PCR product was observed for most of the cell lines tested, including HPC-YO and HPC-YS, in ... kinds of cancer cell lines and in clinical samples of ovarian carcinomas. The characteri-zation and functions of prosemin are described.ResultscDNA cloning and structure of the prosemingeneWe ... identical in mucinous and serous adenocarcinomas. The strong expression of prosemin in serous carcinomas is noteworthy. Three of ABCFig. 5. Secretion of prosemin protein and expression of prosemin...

Báo cáo khoa học: A Kazal prolyl endopeptidase inhibitor isolated from the skin of Phyllomedusa sauvagii pdf

... mMdithiothreitol, in a ﬁnal volume of % 350 lL, and by incubating the resulting solutions for 1 hat 37 °C in the dark. After reduction, 1 lLof4-vinylpyri-dine was added, and the incubation was continued ... bradykinins, caeruleins, bombesins, sauv-agine, opioid peptides (dermorphins and deltorphins),antimicrobial peptides (dermaseptins and adenoregulin), and tryptophylins [7,9–12]. Interest in these natural ... prolines in these positions, but none was aprotease inhibitor and they departed from the canonicalpattern by having extra residues between cysteines and, in some cases, also missing cysteines....

Tài liệu Báo cáo khoa học: An immunomodulator used to protect young in the pouch of the Tammar wallaby, Macropus eugenii pptx

... euge-nin, indicating that eugenin is indeed acting throughCCK2receptors.To further investigate the interaction of eugenin withCCK2receptors, we investigated the effect of eugeninon lymphocyte ... asstimulation of the proliferation of lymphocytes, activa-tion of CCK receptors stimulate production of inter-leukins and secretion of immunoglobulins on the mucosal surface of the intestine [49,50]. The ... MS and MS ⁄ MS data on the components of all HPLC fractions indicate the presence of a variety of lipid, sugar and phosphateFig. 1. The young of Macropus eugenii (A)climbing into the pouch and...

Báo cáo khoa học: "Some Comments on Algorithm and Grammar in the Automatic Parsing of Natural Languages" ppt

... written in the form of appropriate tables of rules. The paper raises the question of the increasing complexity of the tables when more than the most elementary natural-language con- ditions are included, ... Examples of this are very common in English and include many of the frequently cited instances of nesting. The second consideration is that the determination of external functioning by con- ... attention to the parsing problems encoun- tered in machine translation. It must be noted at the outset that in this author’s opinion the aim of the automatic-parsing component of a machine-translation...

Báo cáo khoa học: "Self-Organizing Markov Models and Their Application to Part-of-Speech Tagging" potx

... part -of- speech (POS) tagging involves ﬁnd-ing an optimal sequence of syntactic classes, and NPchunking involves ﬁnding IOB tag sequences (each of which represents the inside, outside and begin-ning ... referring to the valuev, v is accepted as a meaningful value. We adopted the χ2-test to determine the difference between the distributions of the target feature before and after re-ferring to the ... sentence from the ﬁrst is selected into the test corpus, and the re-maining ones constitute the training corpus. Table 6shows some basic statistics of the corpora.We implemented several tagging models...

Tài liệu Báo cáo khoa học: "A Finite-Slate Parser for Use in Speech Recognition" pdf

... takes as input a sentence and a context-free grammar and produces as output a chart like that below, indicating the starting point and ending point of each phrase in the input string. lnput~ ... of/ d/before/y /in didyou (5b) Reduction of unstressed/u/to schwa in) ,~u (5c) Flapping of intervocalic /t/ in hit. it (5d) Reduction of schwa and devoicing of/ u /in to (5e) Reduc:ion of geminate/t /in ... suspect that these words can o)~en be distinguished from men, win. )vttte. and fine mostly on the basis of the duration of the nasal murmur which is lengthened in the precedence of a voiced...

Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

... exists, so in this case a random history vector has been selected and instead of focusing in the sports topic suggested by the user, IRIS “takes the initiative” of asking for a date. In our second ... IRIS should ask the user for the meaning of such a term. 38If IRIS decides to ask for the meaning of the term, the control of the dialogue is passed to the vocabulary learning module which ... term into the vocabulary learning repository. After comple-ting a learning cycle, IRIS acknowledges the user about having “understood” the meaning of the term and control is passed back to the...

Báo cáo khoa học: "A Statistical Tree Annotator and Its Applications" pptx

... training, and 1,151 sentence pairs for testing. The statistics of the training and test data can be found in Table 8,where the number of sentences, the number of non-terminal nodes and the ... carrying pseudotags in the development set, and tabulate their per-formance in Table 7. The 2nd column contains the number of nodes in the reference; the 3rd column the number of nodes of system ... incrementally addingfeatures into the system, and the results are reported in Table 5. The dummy baseline is predicting the most likely prior – the empty function tag, whichindicates that there...

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