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Horseshoe-Based Bayesian Nonparametric Estimation of Effective Population Size Trajectories
Received: 13 August 2018 Accepted: 9 July 2019 DOI: 10.1111/biom.13276 BIOMETRIC METHODOLOGY Horseshoe-based Bayesian nonparametric estimation of effective population size trajectories James R. Faulkner1,2 Andrew F. Magee3 Beth Shapiro4,5 Vladimir N. Minin6 1Quantitative Ecology and Resource Abstract Management, University of Washington, Seattle, Washington Phylodynamics is an area of population genetics that uses genetic sequence data to 2Fish Ecology Division, Northwest Fisheries estimate past population dynamics. Modern state-of-the-art Bayesian nonparamet- Science Center, National Marine Fisheries ric methods for recovering population size trajectories of unknown form use either Service, NOAA, Seattle, Washington change-point models or Gaussian process priors. Change-point models suffer from 3Department of Biology, University of Washington, Seattle, Washington computational issues when the number of change-points is unknown and needs to 4Ecology and Evolutionary Biology be estimated. Gaussian process-based methods lack local adaptivity and cannot accu- Department and Genomics Institute, rately recover trajectories that exhibit features such as abrupt changes in trend or vary- University of California Santa Cruz, Santa Cruz, California ing levels of smoothness. We propose a novel, locally adaptive approach to Bayesian 5Howard Hughes Medical Institute, nonparametric phylodynamic inference that has the flexibility to accommodate a University of California Santa Cruz, large class of functional behaviors. Local adaptivity results from modeling the log- Santa Cruz, California transformed effective population size a priori as a horseshoe Markov random field, 6Department of Statistics, University of arecentlyproposedstatisticalmodelthatblendstogetherthebestpropertiesofthe California Irvine, Irvine, California change-point and Gaussian process modeling paradigms. We use simulated data to Correspondence assess model performance, and find that our proposed method results in reduced bias Vladimir N. -
NLP Commercialisation in the Last 25 Years
Natural Language Engineering (2019), 25, pp. 419–426 doi:10.1017/S1351324919000135 Anniversary INDUSTRY WATCH NLP commercialisation in the last 25 years Robert Dale∗ Language Technology Group ∗Corresponding author. Email: [email protected] Abstract The Journal of Natural Language Engineering is now in its 25th year. The editorial preface to the first issue emphasised that the focus of the journal was to be on the practical application of natural language processing (NLP) technologies: the time was ripe for a serious publication that helped encourage research ideas to find their way into real products. The commercialisation of NLP technologies had already started by that point, but things have advanced tremendously over the last quarter-century. So, to celebrate the journal’s anniversary, we look at how commercial NLP products have developed over the last 25 years. 1. Some context For many researchers, work in natural language processing (NLP) has a dual appeal. On the one hand, the computational modelling of language understanding or language production has often been seen as means of exploring theoretical questions in both linguistics and psycholinguistics; the general argument being that, if you can build a computational model of some phenomenon, then you have likely moved some way towards an understanding of that phenomenon. On the other hand, the scope for practical applications of NLP technologies has always been enticing: the idea that we could build truly useful computational artifacts that work with human language goes right back to the origins of the field in the early machine translation experiments of the 1950s. However, it was in the early 1990s that commercial applications of NLP really started to flourish, pushed forward in particular by targeted research in both the USA, much of it funded by the Defense Advanced Research Projects Agency (DARPA) via programs like the Message Understanding Conferences (MUC), and Europe, via a number of large-scale forward-looking EU-funded research programs. -
Autumn in Brooklyn
AUTUMN IN BROOKLYN September-November 1978 AUTUMN IN BROOKLYN September-November 1978 RICHARD GRAYSON Superstition Mountain Press Phoenix – 2009 Copyright © 2009 by Richard Grayson. All rights reserved. Printed in the United States of America. Superstition Mountain Press 4303 Cactus Road Phoenix, AZ 85032 First Edition ISBN 978-0-578-03208-5 10 9 8 7 6 5 4 3 2 1 For Louis Strick Richard Grayson 1 Autumn in Brooklyn: September – November 1978 Monday, September 4, 1978 8 PM. I feel rather sad about the summer ending. It seems impossible that three months has passed since my birthday. I’ve always thought of the new year as beginning now rather than in January, and I still feel that way (even though this year’s Rosh Hashona is a month away). It’s chilly out now and today was sunny but just a bit too cool for swimming. I spent the afternoon with Josh – we drove around, played pinball at Buddy’s, chatted in the backyard. He’s just as sour on life as he always was; maybe he’s even worse. He and Simon went to the Eighth Street Bookshop to get an ABC to Literary Magazines by R.C. Morse, which I told him about. He said he saw Alice there, rummaging through magazines looking for a story by me. Laura mentioned staying with Peter Spielberg on the Cape, and Josh and Simon made the mistake of putting Peter down in front of her; she cooled considerably after hearing their comments. Josh and his friend Fat Ronnie want to start a literary magazine called Moron; the name expresses their general philosophy. -
Division Or Research Center Department Faculty Description
Division or Research Center Include in 2019 Department Faculty Description Sust. Research Reason for excluding (Y/N/M) Anderson's current research incorporates computer technologies to engage questions Y about land use and social interventions into the environment. His recent work, Silicon Monuments - in collaboration with the Silicon Valley Toxics Coalition - uses augmented reality software on hand-held devices to create a site-specific, multimedia documentary about toxic Superfund sites in Silicon Valley. Viewers can explore the sites and interact with the documentary, which reveals hidden environmental damage and its health and social costs. Website link: http://arts.ucsc.edu/faculty/eanderson/ Arts Art Elliott W. Anderson A. Laurie Palmer’s work is concerned with material explorations of matter’s active Y nature as it asserts itself on different scales and in different speeds, and with collaborating on strategic actions in the contexts of social and environmental justice. These two directions sometimes run parallel and sometimes converge, taking form as sculpture, installation, writing, and public projects. Collaboration, with other humans and with non-humans, is a central ethic in her practice. Website link: http: //alauriepalmer.net/ Arts Art Laurie Palmer Contemporary art and visual culture, investigating in particular the diverse ways that Y artists and activists have negotiated crises associated with globalization, including the emerging conjunction of post-9/11 political sovereignty and statelessness, the hauntings of the colonial past, and the growing biopolitical conflicts around ecology and climate change. Most recently Demos is the author of Decolonizing Nature: Contemporary Art and the Politics of Ecology (Sternberg Press, 2016), which investigates how concern for ecological crisis has entered the field of contemporary art and visual culture in recent years, and considers art and visual cultural practices globally. -
Intellibot: a Domain-Specific Chatbot for the Insurance Industry
IntelliBot: A Domain-specific Chatbot for the Insurance Industry MOHAMMAD NURUZZAMAN A thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy UNSW Canberra at Australia Defence Force Academy (ADFA) School of Business 20 October 2020 ORIGINALITY STATEMENT ‘I hereby declare that this submission is my own work and to the best of my knowledge it contains no materials previously published or written by another person, or substantial proportions of material which have been accepted for the award of any other degree or diploma at UNSW or any other educational institute, except where due acknowledgement is made in the thesis. Any contribution made to the research by others, with whom I have worked at UNSW or elsewhere, is explicitly acknowledged in the thesis. I also declare that the intellectual content of this thesis is the product of my own work, except to the extent that assistance from others in the project’s design and conception or in style, presentation and linguistic expression is acknowledged.’ Signed Date To my beloved parents Acknowledgement Writing a thesis is a great process to review not only my academic work but also the journey I took as a PhD student. I have spent four lovely years at UNSW Canberra in the Australian Defence Force Academy (ADFA). Throughout my journey in graduate school, I have been fortunate to come across so many brilliant researchers and genuine friends. It is the people who I met shaped who I am today. This thesis would not have been possible without them. My gratitude goes out to all of them. -
Grammar Checker for Hindi and Other Indian Languages
International Journal of Scientific & Engineering Research Volume 11, Issue 6, June-2020 1783 ISSN 2229-5518 Grammar Checker for Hindi and Other Indian Languages Anjani Kumar Ray, Vijay Kumar Kaul Center for Information and Language Engineering Mahatma Gandhi Antarrashtriya Hindi Vishwavidyalaya, Wardha (India) Abstract: Grammar checking is one of the sentence is grammatically well-formed. In most widely used techniques within absence of the potential syntactic parsing natural language processing (NLP) approach, incorrect or not-so-well applications. Grammar checkers check the grammatically formed sentences are grammatical structure of sentences based analyzed or produced. The preset paper is on morphological and syntactic an exploratory attempt to devise the hybrid processing. These two steps are important models to identify the grammatical parts of any natural language processing relations and connections of the words to systems. Morphological processing is the phrases to sentences to the extent of step where both lexical words (parts-of- discourse. Language Industry demands speech) and non-word tokens (punctuation such economic programmes doing justice marks, made-up words, acronyms, etc.) are and meeting the expectations of language analyzed into IJSERtheir components. In engineering. syntactic processing, linear sequences of words are transformed into structures that Keywords: Grammar Checking, Language show grammatical relationships among the Engineering, Syntax Processing, POS words in the sentence (Rich and Knight Tagging, Chunking, morphological 1991) and between two or more sentences Analysis joined together to make a compound or complex sentence. There are three main Introduction: Grammar Checker is an approaches/models which are widely used NLP application that helps the user to for grammar checking in a language; write correct sentence in the concerned language. -
Brooklyn College Magazine, Spring 2013, Volume 2
BROOKLYN COLLEGE MAGAZINE | SPRING 2013 1 B Brooklyn College Magazine Volume 2 | Number 2 | Spring 2013 Brooklyn College Editor-in-Chief Art Director Advisory Committee 2900 Bedford Avenue Keisha-Gaye Anderson Lisa Panazzolo Nicole Hosten-Haas, Chief of Staff to the President Brooklyn, NY 11210-2889 Steven Schechter, Managing Editor Production Assistant Executive Director of Government and External Affairs [email protected] Audrey Peterson Mammen P. Thomas Ron Schweiger ’70, President of the Brooklyn College Alumni Association © 2013 Brooklyn College Andrew Sillen ’74, Vice President for Institutional Advancement Staff Writers Staff Photographers Jeremy A. Thompson, Executive Director of Marketing, Communications, Ernesto Mora David Rozenblyum President and Public Relations Richard Sheridan Craig Stokle Karen L. Gould Colette Wagner, Assistant Provost for Planning and Special Projects Jamilah Simmons Editorial Assistants Provost Contributing Writers Dominique Carson ‘12 William A. Tramontano James Anderson Mark Zhuravsky ‘10 Matt Fleischer-Black Joe Fodor Katti Gray Alex Lang Anthony Ramos Julie Revelant Ron Schweiger ’70 On the Scene Award-winning alumni and a new graduate school of cinema in the works make Brooklyn College a 9 prime destination for the next generation of entertainment industry game changers. Forward Momentum Leading-edge scientific research at Brooklyn College continues to 14 attract national attention, as well as prestigious awards. The Brooklyn Connection Alumni mentors with top-flight careers and talented business students form 20 professional and personal bonds that endure well past graduation. 2 From the President’s Desk 3 Snapshots 5 Notables 7 Features He’s not an 23 College News alumnus, so why is Kevin 27 Career Corner Bacon in our 28 Athletics magazine? 30 Alumni Profile Turn to page 31 Class Notes ten to find out. -
Chatbot in English Classrooms Encourage Negotiations of Meaning
Chatbot in English Classrooms Encourage Negotiations of Meaning Bachelor’s Thesis of Kelvin Louis, 8th Semester [email protected] Nicola Cocquio, 8th Semester [email protected] University of Applied Sciences and Arts Northwestern Switzerland (FHNW) School of Engineering Computer Science Supervisors Manfred Vogel [email protected] Ivo Nussbaumer [email protected] Brugg-Windisch, 19.03.2019 Abstract Chatbots have become more prevalent in recent years, due to increasing demand as well as improvements in the fields of natural language processing (NLP) and machine learning. Within the field of education research, past studies have rightfully questioned the usefulness of chatbots as means of acquiring a foreign language. A review of the relevant literature shows that the applied chatbots were rule-based and limited to chitchatting in an open-domain. In this thesis we propose an alternate approach to using chatbots in English as a second language (ESL) classrooms. We evaluated the current state of technology to develop a machine learning-based chatbot capable of detecting errors in the students’ language. The chatbot’s domain is confined to interacting with the students in a room reservation roleplay exercise. Prerecorded transcripts of ESL student interactions were used to derive wordings of intents and utterances which served to train and test the chatbot’s machine learning models. Since misspellings are the most common errors in ESL students’ language, a language error detection was introduced into the chatbot’s architecture, providing additional feedback to the students and thereby mitigating repetitive errors. To test the performance of our solution, usability tests and a survey were conducted. -
SFU Thesis Template Files
Reconstructing Northern Fur Seal Population Diversity through Ancient and Modern DNA Data by Cara Leanne Halseth B.Sc., University of Northern British Columbia, 2011 Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Arts in the Department of Archaeology Faculty of Environment © Cara Leanne Halseth 2015 SIMON FRASER UNIVERSITY Summer 2015 Approval Name: Cara Leanne Halseth Degree: Master of Arts Title: Reconstructing Northern Fur Seal Population Diversity through Ancient and Modern DNA Data Examining Committee: Chair: Catherine D‟Andrea Professor Dongya Yang Senior Supervisor Professor Deborah C. Merrett Supervisor Adjunct Professor Iain McKechnie External Examiner SSHRC Postdoctoral Fellowship Dept of Anthropology University of Oregon Date Defended/Approved: July 2, 2015 ii Abstract Archaeological and historic evidence suggests that northern fur seal (Callorhinus ursinus) has undergone several population and distribution changes (including commercial sealing) potentially resulting in a loss of genetic diversity and population structure. This study analyzes 36 unpublished mtDNA sequences from archaeological sites 1900-150 BP along the Pacific Northwest Coast from Moss et al. (2006) as well as published data (primarily Pinsky et al. [2010]) to investigate this species‟ genetic diversity and population genetics in the past. The D-loop data shows high nucleotide and haplotype diversity, with continuity of two separate subdivisions (haplogroups) through time. Nucleotide mismatch analysis suggests population expansion in both ancient and modern data. AMOVA analysis (FST and ΦST) reveals some „structure‟ detectable between several archaeological sites. While the data reviewed here did not reveal dramatic patterning, the AMOVA analysis does identify several significant FST values, indicating some level of ancient population „structure‟, which deserves future study. -
Basic Version of Multilingual Semantic Text Analysis
V4Design Visual and textual content re-purposing FOR(4) architecture, Design and virtual reality games H2020-779962 D3.3 Basic version of multilingual semantic text analysis Dissemination level: Public Contractual date of delivery: Month 18, 30 June 2019 Actual date of delivery: Month 18, 30 June 2019 Workpackage: WP3 Visual and Textual content analysis Task: T3.2 Entity identification and linking, word sense disambiguation and lexical modelling T3.3 Dependency-based semantic parsing T3.4 Conceptual relation extraction Type: Report Approval Status: Approved Version: 1.2 Number of pages: 64 Filename: D3.3_V4Design_BasicAnalysisTechniques_v1.2.pdf Abstract In this deliverable, we report the advances on the Language Analysis components achieved during the first half of the V4Design project. The components include in particular a multilingual candidate concept detection tool, multilingual dependency parsers, semantic analysers, lexical resources, and a projection of the extracted dependency-based linguistic representations into ontological ones. The information in this document reflects only the author’s views and the European Community is not liable for any use that may be made of the information contained therein. The information in this document is provided as is and no guarantee or warranty is given that the information is fit for any particular purpose. The user thereof uses the information at its sole risk and liability. Page 1 co-funded by the European Union Page 2 D3.3 – V1.2 History Version Date Reason Revised by 0.1 05/04/2019 Creation -
CCMA Coleman Competition (1947-2015)
THE COLEMAN COMPETITION The Coleman Board of Directors on April 8, 1946 approved a Los Angeles City College. Three winning groups performed at motion from the executive committee that Coleman should launch the Winners Concert. Alice Coleman Batchelder served as one of a contest for young ensemble players “for the purpose of fostering the judges of the inaugural competition, and wrote in the program: interest in chamber music playing among the young musicians of “The results of our first chamber music Southern California.” Mrs. William Arthur Clark, the chair of the competition have so far exceeded our most inaugural competition, noted that “So far as we are aware, this is sanguine plans that there seems little doubt the first effort that has been made in this country to stimulate, that we will make it an annual event each through public competition, small ensemble chamber music season. When we think that over fifty performance by young people.” players participated in the competition, that Notices for the First Annual Chamber Music Competition went out the groups to which they belonged came to local newspapers in October, announcing that it would be held from widely scattered areas of Southern in Culbertson Hall on the Caltech campus on April 19, 1947. A California and that each ensemble Winners Concert would take place on May 11 at the Pasadena participating gave untold hours to rehearsal Playhouse as part of Pasadena’s Twelfth Annual Spring Music we realize what a wonderful stimulus to Festival sponsored by the Civic Music Association, the Board of chamber music performance and interest it Education, and the Pasadena City Board of Directors. -
Using a Grammar Checker for Detection Translated English Sentence
Using a Grammar Checker for Detection Translated English Sentence Nay Yee Lin, Khin Mar Soe, Ni Lar Thein University of Computer Studies, Yangon [email protected], [email protected] Abstract verification of the structure of a sentence and of relations between words (e.g. agreement). Machine Translation Systems expect target Grammar checkers are most often language output to be grammatically correct implemented as a feature of a larger program, within the frame of proper grammatical such as a word processor. Although all major category. In Myanmar-English statistical Open Source word processors offer spell machine translation system, the proposed system checking and grammar checker feature. Such a concerns with the target language model to feature is not available as a separate free program smooth the translated English sentences. Most of either for machine translation. Therefore, our the typical grammar checkers can detect approach is a free program which can be used ungrammatical sentences and seek for what both as a stand-alone grammar checker. error it is. However, they often fail to detect Three methods are widely used for grammar grammar errors for translated English sentence checking in a language; syntax-based checking, such as missing words. Therefore, we intend to statistics-based checking and rule-based develop an ongoing grammar checker for checking. In syntax based grammar checking , English as a second language (ESL). There are each sentence is completely parsed to check the two main tasks in this approach: detecting the grammatical correctness of it. The text is sentence pattern in chunk structure and considered incorrect if the syntactic parsing fails.