Natural Language Processing: Opportunities in Information Technology
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												  Text Mining Course for KNIME Analytics PlatformText Mining Course for KNIME Analytics Platform KNIME AG Copyright © 2018 KNIME AG Table of Contents 1. The Open Analytics Platform 2. The Text Processing Extension 3. Importing Text 4. Enrichment 5. Preprocessing 6. Transformation 7. Classification 8. Visualization 9. Clustering 10. Supplementary Workflows Licensed under a Creative Commons Attribution- ® Copyright © 2018 KNIME AG 2 Noncommercial-Share Alike license 1 https://creativecommons.org/licenses/by-nc-sa/4.0/ Overview KNIME Analytics Platform Licensed under a Creative Commons Attribution- ® Copyright © 2018 KNIME AG 3 Noncommercial-Share Alike license 1 https://creativecommons.org/licenses/by-nc-sa/4.0/ What is KNIME Analytics Platform? • A tool for data analysis, manipulation, visualization, and reporting • Based on the graphical programming paradigm • Provides a diverse array of extensions: • Text Mining • Network Mining • Cheminformatics • Many integrations, such as Java, R, Python, Weka, H2O, etc. Licensed under a Creative Commons Attribution- ® Copyright © 2018 KNIME AG 4 Noncommercial-Share Alike license 2 https://creativecommons.org/licenses/by-nc-sa/4.0/ Visual KNIME Workflows NODES perform tasks on data Not Configured Configured Outputs Inputs Executed Status Error Nodes are combined to create WORKFLOWS Licensed under a Creative Commons Attribution- ® Copyright © 2018 KNIME AG 5 Noncommercial-Share Alike license 3 https://creativecommons.org/licenses/by-nc-sa/4.0/ Data Access • Databases • MySQL, MS SQL Server, PostgreSQL • any JDBC (Oracle, DB2, …) • Files • CSV, txt
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												  Application of Machine Learning in Automatic Sentiment Recognition from Human SpeechApplication of Machine Learning in Automatic Sentiment Recognition from Human Speech Zhang Liu Ng EYK Anglo-Chinese Junior College College of Engineering Singapore Nanyang Technological University (NTU) Singapore [email protected] Abstract— Opinions and sentiments are central to almost all human human activities and have a wide range of applications. As activities and have a wide range of applications. As many decision many decision makers turn to social media due to large makers turn to social media due to large volume of opinion data volume of opinion data available, efficient and accurate available, efficient and accurate sentiment analysis is necessary to sentiment analysis is necessary to extract those data. Business extract those data. Hence, text sentiment analysis has recently organisations in different sectors use social media to find out become a popular field and has attracted many researchers. However, consumer opinions to improve their products and services. extracting sentiments from audio speech remains a challenge. This project explores the possibility of applying supervised Machine Political party leaders need to know the current public Learning in recognising sentiments in English utterances on a sentiment to come up with campaign strategies. Government sentence level. In addition, the project also aims to examine the effect agencies also monitor citizens’ opinions on social media. of combining acoustic and linguistic features on classification Police agencies, for example, detect criminal intents and cyber accuracy. Six audio tracks are randomly selected to be training data threats by analysing sentiment valence in social media posts. from 40 YouTube videos (monologue) with strong presence of In addition, sentiment information can be used to make sentiments.
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												  Voice InterfacesVIEW POINT VOICE INTERFACES Abstract A voice-user interface (VUI) makes human interaction with computers possible through a voice/speech platform in order to initiate an automated service or process. This Point of View explores the reasons behind the rise of voice interface, key challenges enterprises face in voice interface adoption and the solution to these. Are We Ready for Voice Interfaces? Let’s get talking! IO showed the new promise of voice offering integrations with their Voice interfaces. Assistants. Since Apple integration with Siri, voice interfaces has significantly Almost all the big players (Google, Apple, As per industry forecasts, over the next progressed. Echo and Google Home Microsoft) have ‘office productivity’ decade, 8 out of every 10 people in the have demonstrated that we do not need applications that are being adopted by world will own a device (a smartphone or a user interface to talk to computers businesses (Microsoft and their Office some kind of assistant) which will support and have opened-up a new channel for Suite already have a big advantage here, voice based conversations in native communication. Recent demos of voice but things like Google Docs and Keynote language. Just imagine the impact! based personal assistance at Google are sneaking in), they have also started Voice Assistant Market USD~7.8 Billion CAGR ~39% Market Size (USD Billion) 2016 2017 2018 2019 2020 2021 2022 2023 The Sudden Interest in Voice Interfaces Although voice technology/assistants Voice Recognition Accuracy Convenience – speaking vs typing have been around in some shape or form Voice Recognition accuracy continues to Humans can speak 150 words per minute for many years, the relentless growth of improve as we now have the capability to vs the typing speed of 40 words per low-cost computational power—and train the models using neural networks minute.
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												  Text KM & Text MiningText KM & Text Mining An Introduction to Managing Knowledge in Unstructured Natural Language Documents Dekai Wu HKUST Human Language Technology Center Department of Computer Science and Engineering University of Science and Technology Hong Kong http://www.cs.ust.hk/~dekai © 2008 Dekai Wu Lecture Objectives Introduction to the concept of Text KM and Text Mining (TM) How to exploit knowledge encoded in text form How text mining is different from data mining Introduction to the various aspects of Natural Language Processing (NLP) Introduction to the different tools and methods available for TM HKUST Human Language Technology Center © 2008 Dekai Wu Textual Knowledge Management Text KM oversees the storage, capturing and sharing of knowledge encoded in unstructured natural language documents 80-90% of an organization’s explicit knowledge resides in plain English (Chinese, Japanese, Spanish, …) documents – not in structured relational databases! Case libraries are much more reasonably stored as natural language documents, than encoded into relational databases Most knowledge encoded as text will never pass through explicit KM processes (eg, email) HKUST Human Language Technology Center © 2008 Dekai Wu Text Mining Text Mining analyzes unstructured natural language documents to extract targeted types of knowledge Extracts knowledge that can then be inserted into databases, thereby facilitating structured data mining techniques Provides a more natural user interface for entering knowledge, for both employees and developers Reduces
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												  Knowledge-Powered Deep Learning for Word EmbeddingKnowledge-Powered Deep Learning for Word Embedding Jiang Bian, Bin Gao, and Tie-Yan Liu Microsoft Research {jibian,bingao,tyliu}@microsoft.com Abstract. The basis of applying deep learning to solve natural language process- ing tasks is to obtain high-quality distributed representations of words, i.e., word embeddings, from large amounts of text data. However, text itself usually con- tains incomplete and ambiguous information, which makes necessity to leverage extra knowledge to understand it. Fortunately, text itself already contains well- defined morphological and syntactic knowledge; moreover, the large amount of texts on the Web enable the extraction of plenty of semantic knowledge. There- fore, it makes sense to design novel deep learning algorithms and systems in order to leverage the above knowledge to compute more effective word embed- dings. In this paper, we conduct an empirical study on the capacity of leveraging morphological, syntactic, and semantic knowledge to achieve high-quality word embeddings. Our study explores these types of knowledge to define new basis for word representation, provide additional input information, and serve as auxiliary supervision in deep learning, respectively. Experiments on an analogical reason- ing task, a word similarity task, and a word completion task have all demonstrated that knowledge-powered deep learning can enhance the effectiveness of word em- bedding. 1 Introduction With rapid development of deep learning techniques in recent years, it has drawn in- creasing attention to train complex and deep models on large amounts of data, in order to solve a wide range of text mining and natural language processing (NLP) tasks [4, 1, 8, 13, 19, 20].
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												  NLP-5X Product BriefNLP-5x Natural Language Processor With Motor, Sensor and Display Control The NLP-5x is Sensory’s new Natural Language Processor targeting consumer electronics. The NLP-5x is designed to offer advanced speech recognition, text-to-speech (TTS), high quality music and speech synthesis and robotic control to cost-sensitive high volume products. Based on a 16-bit DSP, the NLP-5x integrates digital and analog processing blocks and a wide variety of communication interfaces into a single chip solution minimizing the need for external components. The NLP-5x operates in tandem with FluentChip™ firmware - an ultra- compact suite of technologies that enables products with up to 750 seconds of compressed speech, natural language interface grammars, TTS synthesis, Truly Hands-Free™ triggers, multiple speaker dependent and independent vocabularies, high quality stereo music, speaker verification (voice password), robotics firmware and all application code built into the NLP-5x as a single chip solution. The NLP-5x also represents unprecedented flexibility in application hardware designs. Thanks to the highly integrated architecture, the most cost-effective voice user interface (VUI) designs can be built with as few additional parts as a clock crystal, speaker, microphone, and few resistors and capacitors. The same integration provides all the necessary control functions on-chip to enable cost-effective man-machine interfaces (MMI) with sensing technologies, and complex robotic products with motors, displays and interactive intelligence. Features BROAD
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											A Guide to Chatbot TerminologyMachine Language A GUIDE TO CHATBOT TERMINOLOGY Decision Trees The most basic chatbots are based on tree-structured flowcharts. Their responses follow IF/THEN scripts that are linked to keywords and buttons. Natural Language Processing (NLP) A computer’s ability to detect human speech, recognize patterns in conversation, and turn text into speech. Natural Language Understanding A computer’s ability to determine intent, especially when what is said doesn’t quite match what is meant. This task is much more dicult for computers than Natural Language Processing. Layered Communication Human communication is complex. Consider the intricacies of: • Misused phrases • Intonation • Double meanings • Passive aggression • Poor pronunciation • Regional dialects • Subtle humor • Speech impairments • Non-native speakers • Slang • Syntax Messenger Chatbots Messenger chatbots reside within the messaging applications of larger digital platforms (e.g., Facebook, WhatsApp, Twitter, etc.) and allow businesses to interact with customers on the channels where they spend the most time. Chatbot Design Programs There’s no reason to design a messenger bot from scratch. Chatbot design programs help designers make bots that: • Can be used on multiple channels • (social, web, apps) • Have custom design elements • (response time, contact buttons, • images, audio, etc.) • Collect payments • Track analytics (open rates, user • retention, subscribe/unsubscribe • rates) • Allow for human takeover when • the bot’s capabilities are • surpassed • Integrate with popular digital • platforms (Shopify, Zapier, Google • Site Search, etc.) • Provide customer support when • issues arise Voice User Interface A voice user interface (VUI) allows people to interact with a computer through spoken commands and questions. Conversational User Interface Like a voice user interface, a conversational user interface (CUI) allows people to control a computer with speech, but CUI’s dier in that they emulate the nuances of human conversation.
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												  LDA V. LSA: a Comparison of Two Computational Text Analysis Tools for the Functional Categorization of PatentsLDA v. LSA: A Comparison of Two Computational Text Analysis Tools for the Functional Categorization of Patents Toni Cvitanic1, Bumsoo Lee1, Hyeon Ik Song1, Katherine Fu1, and David Rosen1! ! 1Georgia Institute of Technology, Atlanta, GA, USA (tcvitanic3, blee300, hyeoniksong) @gatech.edu (katherine.fu, david.rosen) @me.gatech.edu! !! Abstract. One means to support for design-by-analogy (DbA) in practice involves giving designers efficient access to source analogies as inspiration to solve problems. The patent database has been used for many DbA support efforts, as it is a pre- existing repository of catalogued technology. Latent Semantic Analysis (LSA) has been shown to be an effective computational text processing method for extracting meaningful similarities between patents for useful functional exploration during DbA. However, this has only been shown to be useful at a small-scale (100 patents). Considering the vastness of the patent database and realistic exploration at a large- scale, it is important to consider how these computational analyses change with orders of magnitude more data. We present analysis of 1,000 random mechanical patents, comparing the ability of LSA to Latent Dirichlet Allocation (LDA) to categorize patents into meaningful groups. Resulting implications for large(r) scale data mining of patents for DbA support are detailed. Keywords: Design-by-analogy ! Patent Analysis ! Latent Semantic Analysis ! Latent Dirichlet Allocation ! Function-based Analogy 1 Introduction Exposure to appropriate analogies during early stage design has been shown to increase the novelty, quality, and originality of generated solutions to a given engineering design problem [1-4]. Finding appropriate analogies for a given design problem is the largest challenge to practical implementation of DbA.
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												  Voice User Interface on the Web Human Computer Interaction Fulvio Corno, Luigi De Russis Academic Year 2019/2020 How to Create a VUI on the Web?Voice User Interface On The Web Human Computer Interaction Fulvio Corno, Luigi De Russis Academic Year 2019/2020 How to create a VUI on the Web? § Three (main) steps, typically: o Speech Recognition o Text manipulation (e.g., Natural Language Processing) o Speech Synthesis § We are going to start from a simple application to reach a quite complex scenario o by using HTML5, JS, and PHP § Reminder: we are interested in creating an interactive prototype, at the end 2 Human Computer Interaction Weather Web App A VUI for "chatting" about the weather Base implementation at https://github.com/polito-hci-2019/vui-example 3 Human Computer Interaction Speech Recognition and Synthesis § Web Speech API o currently a draft, experimental, unofficial HTML5 API (!) o https://wicg.github.io/speech-api/ § Covers both speech recognition and synthesis o different degrees of support by browsers 4 Human Computer Interaction Web Speech API: Speech Recognition § Accessed via the SpeechRecognition interface o provides the ability to recogniZe voice from an audio input o normally via the device's default speech recognition service § Generally, the interface's constructor is used to create a new SpeechRecognition object § The SpeechGrammar interface can be used to represent a particular set of grammar that your app should recogniZe o Grammar is defined using JSpeech Grammar Format (JSGF) 5 Human Computer Interaction Speech Recognition: A Minimal Example const recognition = new window.SpeechRecognition(); recognition.onresult = (event) => { const speechToText = event.results[0][0].transcript;
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												  Impact of Word Embedding Methods on Performance of Sentiment Analysis with Machine Learning Techniques한국컴퓨터정보학회논문지 Journal of The Korea Society of Computer and Information Vol. 25 No. 8, pp. 181-188, August 2020 JKSCI https://doi.org/10.9708/jksci.2020.25.08.181 Impact of Word Embedding Methods on Performance of Sentiment Analysis with Machine Learning Techniques 1)Hoyeon Park*, Kyoung-jae Kim** *Ph.D. Candidate, Dept. of MIS, Graduate School, Dongguk University, Seoul, Korea **Professor, Dept. of MIS, Business School, Dongguk University, Seoul, Korea [Abstract] In this study, we propose a comparative study to confirm the impact of various word embedding techniques on the performance of sentiment analysis. Sentiment analysis is one of opinion mining techniques to identify and extract subjective information from text using natural language processing and can be used to classify the sentiment of product reviews or comments. Since sentiment can be classified as either positive or negative, it can be considered one of the general classification problems. For sentiment analysis, the text must be converted into a language that can be recognized by a computer. Therefore, text such as a word or document is transformed into a vector in natural language processing called word embedding. Various techniques, such as Bag of Words, TF-IDF, and Word2Vec are used as word embedding techniques. Until now, there have not been many studies on word embedding techniques suitable for emotional analysis. In this study, among various word embedding techniques, Bag of Words, TF-IDF, and Word2Vec are used to compare and analyze the performance of movie review sentiment analysis. The research data set for this study is the IMDB data set, which is widely used in text mining.
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												  Eindversie-Paper-Rianne-Nieland-2057069Talking to Linked Data: Comparing voice interfaces for generalpurpose data Master thesis of Information Sciences Rianne Nieland Vrije Universiteit Amsterdam [email protected] ABSTRACT ternet access (Miniwatts Marketing Group, 2012) and People in developing countries cannot access informa- 31.1% is literate (UNESCO, 2010). tion on the Web, because they have no Internet access and are often low literate. A solution could be to pro- A solution to the literacy and Internet access problem vide voice-based access to data on the Web by using the is to provide voice-based access to the Internet by us- GSM network. Related work states that Linked Data ing the GSM network (De Boer et al., 2013). 2G mobile could be a useful input source for such voice interfaces. phones are digital mobile phones that use the GSM net- work (Fendelman, 2014). In Africa the primary mode The aim of this paper is to find an efficient way to make of telecommunication is mobile telephony (UNCTAD, general-purpose data, like Wikipedia information, avail- 2007). able using voice interfaces for GSM. To achieve this, we developed two voice interfaces, one for Wikipedia This paper is about how information on the Web ef- and one for DBpedia, by doing requirements elicitation ficiently can be made available using voice interfaces from literature and developing a voice user interface and for GSM. We developed two voice interfaces, one us- conversion algorithms for Wikipedia and DBpedia con- ing Wikipedia and the other using DBpedia. In this cepts. With user tests the users evaluated the two voice paper we see Wikipedia and DBpedia as two different interfaces, to be able to compare them.
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												  Voice Assistants and Smart Speakers in Everyday Life and in EducationInformatics in Education, 2020, Vol. 19, No. 3, 473–490 473 © 2020 Vilnius University, ETH Zürich DOI: 10.15388/infedu.2020.21 Voice Assistants and Smart Speakers in Everyday Life and in Education George TERZOPOULOS, Maya SATRATZEMI Department of Applied Informatics, University of Macedonia, Thessaloniki, Greece Email: [email protected], [email protected] Received: November 2019 Abstract. In recent years, Artificial Intelligence (AI) has shown significant progress and its -po tential is growing. An application area of AI is Natural Language Processing (NLP). Voice as- sistants incorporate AI by using cloud computing and can communicate with the users in natural language. Voice assistants are easy to use and thus there are millions of devices that incorporates them in households nowadays. Most common devices with voice assistants are smart speakers and they have just started to be used in schools and universities. The purpose of this paper is to study how voice assistants and smart speakers are used in everyday life and whether there is potential in order for them to be used for educational purposes. Keywords: artificial intelligence, smart speakers, voice assistants, education. 1. Introduction Emerging technologies like virtual reality, augmented reality and voice interaction are reshaping the way people engage with the world and transforming digital experiences. Voice control is the next evolution of human-machine interaction, thanks to advances in cloud computing, Artificial Intelligence (AI) and the Internet of Things (IoT). In the last years, the heavy use of smartphones led to the appearance of voice assistants such as Apple’s Siri, Google’s Assistant, Microsoft’s Cortana and Amazon’s Alexa.