Báo cáo khoa học: "Learning a Compositional Semantic Parser using an Existing Syntactic Parser" pot
Báo cáo khoa học: "Learning a Compositional Semantic Parser using an Existing Syntactic Parser" pot
... for learning semantic parsersdo not utilize an existing syntactic parser that pro-vides disambiguated parse trees.1However, ac-curate syntactic parsers are available for many1Ge and Mooney ... semantic analyzers. This paperpresents an approach to learning semantic parsersthat uses parse trees from an existing s yntacticanalyzer to drive the interpretation process. Thelearned parser ... global disambiguation model.8 Conclusion and Future workWe have presented a new approach to learning a semantic parser that utilizes an existing syntactic parser to drive compositional semantic...
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Báo cáo khoa học: "Mapping between Compositional Semantic Representations and Lexical Semantic Resources: Towards Accurate Deep Semantic Parsing" docx
... Representations and Lexical Semantic Resources: Towards Accurate Deep Semantic ParsingSergio Roa†‡, Valia Kordoni† and Yi Zhang†Dept. of Computational Linguistics, Saarland University, Germany†German ... predicate-argumentstructures or label semantic roles that reveal the par-tial meaning of sentences (Carreras and M`arquez,2005). Manually annotated lexical semantic re-sources like PropBank (Palmer et al., 2005), Verb-Net ... FrameNet (Baker etal., 1998) are usually used as gold standards fortraining and evaluation of such systems. In themeantime, various existing parsing systems are alsoadapted to provide semantic...
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Báo cáo khoa học: "Learning Document-Level Semantic Properties from Free-text Annotations" pot
... Branavan Harr Chen Jacob Eisenstein Regina BarzilayComputer Science and Artificial Intelligence LaboratoryMassachusetts Institute of Technology{branavan, harr, jacobe, regina} @csail.mit.eduAbstractThis ... a widemargin in all evaluations.The absolute performance of the automatic meth-ods indicates the difficulty of the task. For instance,evaluation against gold standard annotations showsthat ... the keyphrases “pleasantatmosphere” and “attentive staff.” Two raters anno-tated 160 reviews, 30 of which were annotated byboth. Cohen’s kappa, a measure of interrater agree-ment ranging from...
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Báo cáo khoa học: Adenine, a hairpin ribozyme cofactor – high-pressure and competition studies potx
... replaced by an abasicanalog [27]. It was observed that 2,6-diaminopurinewas significantly more efficient than adenine in restor-ing the catalytic activity. In an attempt to obtain addi-tional ... [8] andlower eukaryotes, amphibians, prokaryotes, bacterio-phages, and viroids and satellite viruses that infectplants. A ribozyme also exists in hepatitis delta virus, a serious human pathogen ... fraction ofcleaved RNA at time t, and kobsthe observed cleavage rateconstant. Keqwas taken as the cleaved ⁄ uncleaved RNAconcentration ratio. The error bars applied to the rateconstant...
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Báo cáo khoa học: "SITS: A Hierarchical Nonparametric Model using Speaker Identity for Topic Segmentation in Multiparty Conversations" pptx
... sec-ond dataset contains three annotated presidential de-bates (Boydstun et al., 2011) between Barack Obamaand John McCain and a vice presidential debate be-tween Joe Biden and Sarah Palin. Each ... moderator.7Similarly, the “Question” speakerhad a relatively high variance, consistent with an amalgamation of many distinct speakers.These topic shift tendencies suggest that all can-didates manage to ... discoveringmulti-faceted topics. In Association for the Advance-ment of Artificial Intelligence.[Pele and Werman, 2009]Pele, O. and Werman, M.(2009). Fast and robust earth mover’s distances. InInternational...
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Báo cáo khoa học: "Bootstrapping a Unified Model of Lexical and Phonetic Acquisition" potx
... ihbaht:1,baot:1“wanna”waanah:94, waanih:37, wahnah:16, waan:13,wahneh:8, wahnih:5, wahney:3, waanlih:3,wehnih:2, waaneh:2, waonih:2, waaah:1,wuhnih:1, wahn:1, waantah:1, waanaa:1,wowiy:1, waaih:1, wah:1, ... weights.“about”ahbawt:15, bawt:9, ihbawt:4, ahbawd:4, ih-bawd:4, ahbaat:2, baw:1, ahbaht:1, erbawd:1,bawd:1, ahbaad:1, ahpaat:1, bah:1, baht:1,ah:1, ahbahd:1, ehbaat:1, ahbaed:1, ihbaht:1,baot:1“wanna”waanah:94, ... conversational Ameri-can English, and has been phonetically transcribed4We use the implementation of Andrew and Gao (2007) with an l2regularizer and regularization parameterr = 1; althoughthis...
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Báo cáo khoa học: "Extraction of Entailed Semantic Relations Through Syntax-based Comma Resolution" potx
... on the Charniak Parser (Charniak-Charniak).In gold standard parse trees the syntactic cate-gories are annotated with functional tags. Since cur-rent statistical parsers do not annotate sentences ... gold standard parse trees (Gold-Gold), and text annotated using a state-of-the-art sta-tistical parser (Charniak and Johnson, 2005) (Gold-Charniak), respectively. In the third, we trained andtested ... importanceof the problem using examples from Tex-tual Entailment tasks, and present A SentenceTransformation Rule Learner (ASTRL), a ma-chine learning algorithm that uses a syntac-tic analysis...
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Báo cáo khoa học: "Learning More Effective Dialogue Strategies Using Limited Dialogue Move Features" ppt
... COMMUNICATOR data (automaticallyannotated with speech acts and Information States(Georgila et al., 2005b)), they then output a userutterance as a further speech-act task pair. Theseuser simulations ... Then the baseline strategy’s state has notchanged and so it will repeat its last dialoguemove, whereas the state for strategies 2 (UDM)and 3 (USDM) has changed and as a result, thesemay now ... not obtainable immediately,and the large space of possible dialogues for anytask makes some degree of trial-and-error explo-ration necessary.We use both 4-gram and 5-gram user sim-ulations...
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Báo cáo khoa học: "Learning to Generate Naturalistic Utterances Using Reviews in Spoken Dialogue Systems" ppt
... relations:⎧⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎩RESTAURANT has foodqualityRESTAURANT has servicequalityRESTAURANT has valuequalityRESTAURANT has atmospherequalityRESTAURANT has overallqualityRESTAURANT ... Linguistic VariationWe also wish to assess whether the linguisticvariation of the learned mappings was greaterthan what we could easily have generated with a hand-crafted dictionary, or a hand-crafted ... re-lation.RESTAURANT is filled with the name of a restaurant at runtime. For example,‘RESTAU-RANThas foodquality=1’is realized as “RESTAU-RANT has mediocre food quality.” The locationand food...
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Báo cáo khoa học: "Learning from evolving data streams: online triage of bug reports" potx
... in a real-life situation.4.1 Progressive validationWhen learning from data streams the standardevaluation methodology where data is split into a separate training and test set is not applicable. ... of the top ranking suggesting, but ratherthe quality of the whole ranked list.Previous research (Bhattacharya and Neamtiu2010, Tamrawi et al. 2011) made an attempt atapproximating this criterion ... odd-numbered examples to the test streamand the even-numbered ones to the developmentstream. We can use the development stream forexploratory data analysis and feature and param-eter tuning, and then...
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Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíChuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ