Báo cáo khoa học: "Using Anaphora Resolution to Improve Opinion Target Identiﬁcation in Movie Reviews" docx

Báo cáo khoa học: "Using Similarity Scoring To Improve the Bilingual Dictionary for Word Alignment" doc

... wasset to. maxlinks Used in Competitive Linking algo-rithm: Maximum number of words any wordcan be aligned with. Set to: 1, 2, 3.minscore Used in Competitive Linking algo-rithm: Minimum score ... is 2, then a word can align to 0, 1, or 2 words in the parallel sentence. In other settings, we en-forced a minimum score in the bilingual dictionaryfor a link to be accepted, . This means ... up to one link per word. However, this one -to- one/zero -to- one assumption is relaxed by redeﬁningthe notion of a word.2 Competitive Linking in our workWe implemented the basic Competitive Linking...

Báo cáo khoa học: "Using Search-Logs to Improve Query Tagging" potx

... effective, while being simpler to instrument:since we use information from the search engineonly during training, we can train a stand-alone POStagger that can be run without access to additionalresources. ... query training set.The simplest way to match query tokens to snip-pet tokens is to allow a query token to match anysnippet token. This can be problematic when wehave queries that have a token ... frequent taggingas the canonical one and add it to our training set.We then train a query tagger on all our training data:the original human annotated English sentences andalso the automatically...

Tài liệu Báo cáo khoa học: "Using Multiple Sources to Construct a Sentiment Sensitive Thesaurus for Cross-Domain Sentiment Classiﬁcation" doc

... as domain independent pivots and enable us to transfer the information regarding sentiment fromone domain to another.Using the extended vectors d to represent re-views, we train a binary ... domain features are related to which target domain features. Second, it requires a learn-ing framework to incorporate the information re-132garding the relatedness of source and target domainfeatures. ... the Within-Domainbaseline, we train a binary classiﬁer using the la-beled data from the target domain. This upper base-line represents the classiﬁcation accuracy we couldhope to obtain if we...

Tài liệu Báo cáo khoa học: "Using adaptor grammars to identify synergies in the unsupervised acquisition of linguistic structure" docx

... grammar, in which the subtrees are speciﬁed in advance, in an adaptor grammar the subtrees, aswell as their probabilities, are learnt from the train-ing data. In order to make parsing and inferencetractable ... properties of the adaptor grammar inferenceprocedure is that it gives us a way of learning theseinteracting linguistic structures simultaneously.Adaptor grammars are also interesting becausethey ... parse of thatstring with a PCFG approximation to the adaptorgrammar. This PCFG contains a production for eachadapted subtree in the parses of the other strings in the training corpus. A ﬁnal...

Tài liệu Báo cáo khoa học: "Using linguistic principles to recover empty categories" ppt

... try to insert *U* in X 7 try to insert a VP ellipsis site in X 8 try to insert S*T* or SBAR in X 9 try to insert trace of topicalized XP in X 10 try to insert trace of extraposition in X ... applying a different set of rules. 1 for each tree, iterate over nodes from top down 2 for each node X 3 try to insert NP* in X 4 try to insert 0 in X 5 try to insert WHNP 0 or WHADVP 0 in ... infinitives in the PTB, if that information is already explicit in the annotation guidelines. This is not to say that learning approaches have nothing to contribute to this task. Information about individual...

Tài liệu Báo cáo khoa học: "USING BRACKETED PARSES TO EVALUATE A GRAMMAR CHECKING APPLICATION" ppt

... selecting fronted parse trees some- times leads to false error critiques, it works well for most cases in our domain. BRACKETED INPUT STRINGS In order to coerce our system into accepting only ... we intend to change our current system to improve deficiencies and lack of coverage revealed by this exercise. In effect, we plan to use the current test corpus as a training corpus in the ... missed in the unbracketed report, but which showed up in the modified bracketed 8. Since most of the sentences in our corpus were intended to be in Simplified English, it is not sur- prising...

Báo cáo khoa học: "Using Machine-Learning to Assign Function Labels to Parser Output for Spanish" ppt

... signif-icant 3.4% improvement over the baseline.1 IntroductionThe research presented in this paper formspart of an ongoing effort to develop methods to induce wide-coverage multilingual Lexical-Functional ... grup.nom.ms (masculine singular), grup.nom.fs (fem-inine singular), grup.nom.mp (masculine plural) etc. Thisnumber and gender information is already encoded in thePOS tags of nouns heading these constituents.2The ... Spanishtreebank used in the current research, containscomprehensive grammatical function annotation. In the present paper we use a machine-learning ap-proach in order to add Cast3LB function tags to nodes...

Báo cáo khoa học: "Using Grammatical Relations to Compare Parsers" pptx

... parsers. In addition,we perform an experiment usingthe extracted GRs as input to theLappin and Leass (1994) anaphora resolution algorithm. This producesa second ranking of the parsers, andwe investigate ... initial evaluation is provided by compar-ing the extracted GRs to a gold standard GRannotation of 500 Susanne sentences due to Carroll et al. To gain insight into the strengthsand weaknesses of the ... perform an experi-ment using the extracted GRs as input to theLappin and Leass (1994) anaphora resolution algorithm. This produces a second ranking ofthe parsers, and we investigate the number...

Tài liệu Báo cáo khoa học: "Phrase-Based Backoff Models for Machine Translation of Highly Inﬂected Languages" docx

... Models for Machine Translation of Highly In ectedLanguagesMei YangDepartment of Electrical EngineeringUniversity of Washin g tonSeattle, WA, USAyangmei@ee.washington.eduKatrin KirchhoffDepartment ... EngineeringUniversity of Washin g tonSeattle, WA, USAkatrin@ee.washington.eduAbstractWe propose a backoff model for phrase-based machine translation that translatesunseen word forms in ... without being able to collect appropri-ate training data; this problem can therefore beexpected to become increasingly more important.Furthermore, untranslated words can be one of themain factors...

Báo cáo khoa học: Novel repressor of the human FMR1 gene ) identiﬁcation ¨ of p56 human (GCC)n-binding protein as a Kruppel-like transcription factor ZF5 ppt

... (seeabove). Together, these findings indicate that p56 andp68 are DNA-binding proteins that interact specificallywith composite cis-acting element of rpL32. Identification of rpL32-binding protein p56 ... substrate to remove contaminantnonspecific DNA-binding proteins. The unbound proteinswere considered to be the final fraction enriched with therpL32 fragment ()24 .+11) binding proteins. That ... prokaryoticexpression vector pGEXZF5 encoding recombinant fusionprotein, which consists of glutathione S-transferase(N-terminal part) and the DNA-binding domain of ZF5(C-terminal part), was kindly provided...

Xem thêm