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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 Hits 1 – 20 of 26 1 Semi-Supervised and Unsupervised Sense Annotation via Translations ... Hauer, Bradley; Kondrak, Grzegorz; Luan, Yixing. - : arXiv, 2021 BASE Show details 2 WiC = TSV = WSD: On the Equivalence of Three Semantic Tasks ... Hauer, Bradley; Kondrak, Grzegorz. - : arXiv, 2021 BASE Show details 3 One Sense Per Translation ... Hauer, Bradley; Kondrak, Grzegorz. - : arXiv, 2021 BASE Show details 4 Synonymy = Translational Equivalence ... Hauer, Bradley; Kondrak, Grzegorz. - : arXiv, 2020 BASE Show details 5 Using Translations to Distinguish Between Homonymy and Polysemy Habibi, Amir Ahmad. - : University of Alberta. Department of Computing Science., 2020 BASE Show details 6 Leveraging Translations for Word Sense Disambiguation Luan, Yixing. - : University of Alberta. Department of Computing Science., 2020 BASE Show details 7 Assessing the importance of several acoustic properties to the perception of spontaneous speech Podlubny, Ryan G.; Nearey, Terrance M.; Kondrak, Grzegorz. - 2018 BASE Show details 8 Relation Extraction and its Application to Question Answering Xu, Ying. - : University of Alberta. Department of Computing Science., 2017 BASE Show details 9 Identifying Cognate Sets Across Dictionaries of Related Languages St Arnaud, Adam, J.J.. - : University of Alberta. Department of Computing Science., 2017 BASE Show details 10 Modelling phonetic reduction in a corpus of spoken English using Random Forests and Mixed-Effects Regression Dilts, Philip C. - : University of Alberta. Department of Linguistics., 2013 BASE Show details 11 Modelling phonetic reduction in a corpus of spoken English using Random Forests and Mixed-Effects Regression Dilts, Philip C. - : University of Alberta. Department of Linguistics., 2013 BASE Show details 12 Indexing and Querying Natural Language Text Chubak, Pirooz. - : University of Alberta. Department of Computing Science., 2012 BASE Show details 13 Indexing and Querying Natural Language Text Chubak, Pirooz. - : University of Alberta. Department of Computing Science., 2012 Abstract: Degree: Doctor of Philosophy ; Abstract: Natural language text is a prominent source of representing and communicating information and knowledge. It is often desirable to search in granularities of text that are smaller than a document or to query the syntactic roles and relationships within syntactically annotated text sentences, often represented by parse trees. In this thesis, we study the problems of efficiently indexing and querying natural language text in the scenarios where (1) text is modelled as flat sequences of words and (2) text is modelled as collections of syntactically annotated trees. In the first scenario, we study some of the index structures that are capable of answering the class of queries referred to here as wild card queries and perform an analysis of their performance. Our experimental results on a large class of queries from different sources (including query logs and parse trees) and with various datasets reveal some of the performance barriers of these indexes. We present Word Permuterm Index (WPI) and show that it supports a wide range of wild card queries, is quick to construct and is highly scalable. Our experimental results comparing WPI to alternative methods on a wide range of wild card queries show a few orders of magnitude performance improvement for WPI while the memory usage is kept the same for all compared systems. In the second scenario, we study index structures and access methods that improve the performance of querying over syntactically parsed sentences. We propose a novel indexing scheme over unique subtrees as index keys. We also introduce the root-split coding scheme that concisely stores structural subtree information, making it possible to perform exact axes matching over subtrees. We theoretically study the properties of our coding and the limitations it imposes over query processing. Our extensive set of experiments show that root-split coding reduces the index size of a baseline index which stores the interval codes of all nodes by a factor of up to 5 (i.e. 80% reduction) and speeds up querying runtime by more than 6 times on average, when subtrees of sizes 1, . . . , 5 are indexed. Keyword: Index Structures; Indexing; Natural Language Text; Querying; Subtree Index; Tree Pattern Matching URL: https://era.library.ualberta.ca/files/h415p984x http://hdl.handle.net/10402/era.25328 BASE Hide details 14 Totozoquean Kondrak, Grzegorz; Watters, James K.; Wichmann, Søren... In: International journal of American linguistics. - Chicago : Univ. of Chicago Press 77 (2011) 3, 323-372 BLLDB OLC Linguistik Show details 15 3 Totozoquean Brown, Cecil H; Beck, David; Kondrak, Grzegorz... In: International journal of American linguistics. - Chicago : Univ. of Chicago Press 77 (2011) 4, 323-372 OLC Linguistik Show details 16 Totozoquean Beck, David; Brown, Cecil H.; Kondrak, Grzegorz. - : The University of Chicago Press, 2011 BASE Show details 17 The Application of Chordal Graphs to Inferring Phylogenetic Trees of Languages Enright, Jessica; Kondrak, Grzegorz. - 2011 BASE Show details 18 Leveraging supplementary transcriptions and transliterations via re-ranking Bhargava, Aditya. - : University of Alberta. Department of Computing Science., 2011 BASE Show details 19 Leveraging supplementary transcriptions and transliterations via re-ranking Bhargava, Aditya. - : University of Alberta. Department of Computing Science., 2011 BASE Show details 20 Letter-phoneme alignment: an exploration Jiampojamarn, Sittichai; Kondrak, Grzegorz In: Association for Computational Linguistics. Proceedings of the conference. - Stroudsburg, Penn. : ACL 48 (2010) 1, 780-788 BLLDB Show details Page: 1 2

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