Natural language processing

Beginning with the basic issues of NLP, this chapter aims to chart the major research activities in this area since the last ARIST Chapter in 1996 (Haas, 1996), including: (i) natural language text processing systems - text summarization, information extraction, information retrieval, etc., including domain-specific applications; (ii) natural language interfaces; (iii) NLP in the context of www and digital libraries ; and (iv) evaluation of NLP systems

First Looks: CATaC '98\ud

The First International Conference on Cultural Attitudes Towards Technology and Communication (CATaC’98), and its affiliated publications, seek to bring together current insights from philosophy, communication theory, and cultural sciences in an interdisciplinary dialogue. The synthesis of disparate scholarly ideas will shed greater light on just how culture impacts on the use and appropriation of new communications technologies. Beyond the individual contributions themselves, some of our most significant insights will emerge as we listen and discuss carefully with one another during the conference itself. As a way of preparing for that discussion, I offer the following overview of the CATaC papers and abstracts, along with a summary of the insights and questions they suggest

A study of the very high order natural user language (with AI capabilities) for the NASA space station common module

The requirements are identified for a very high order natural language to be used by crew members on board the Space Station. The hardware facilities, databases, realtime processes, and software support are discussed. The operations and capabilities that will be required in both normal (routine) and abnormal (nonroutine) situations are evaluated. A structure and syntax for an interface (front-end) language to satisfy the above requirements are recommended

ESTABLISHING A METHODOLOGY FOR BENCHMARKING SPEECH SYNTHESIS FOR COMPUTER-ASSISTED LANGUAGE LEARNING (CALL)

Despite the new possibilities that speech synthesis brings about, few Computer-Assisted Language Learning (CALL) applications integrating speech synthesis have found their way onto the market. One potential reason is that the suitability and benefits of the use of speech synthesis in CALL have not been proven. One way to do this is through evaluation. Yet, very few formal evaluations of speech synthesis for CALL purposes have been conducted. One possible reason for the neglect of evaluation in this context is the fact that it is expensive in terms of time and resources. An important concern given that there are several levels of evaluation from which such applications would benefit. Benchmarking, the comparison of the score obtained by a system with that obtained by one which is known, to guarantee user satisfaction in a standard task or set of tasks, is introduced as a potential solution to this problem. In this article, we report on our progress towards the development of one of these benchmarks, namely a benchmark for determining the adequacy of speech synthesis systems for use in CALL. We do so by presenting the results of a case study which aimed to identify the criteria which determine the adequacy of the output of speech synthesis systems for use in its various roles in CALL with a view to the selection of benchmark tests which will address these criteria. These roles (reading machine, pronunciation model, and conversational partner) are also discussed here. An agenda for further research and evaluation is proposed in the conclusion

Study to determine potential flight applications and human factors design guidelines for voice recognition and synthesis systems

A study was conducted to determine potential commercial aircraft flight deck applications and implementation guidelines for voice recognition and synthesis. At first, a survey of voice recognition and synthesis technology was undertaken to develop a working knowledge base. Then, numerous potential aircraft and simulator flight deck voice applications were identified and each proposed application was rated on a number of criteria in order to achieve an overall payoff rating. The potential voice recognition applications fell into five general categories: programming, interrogation, data entry, switch and mode selection, and continuous/time-critical action control. The ratings of the first three categories showed the most promise of being beneficial to flight deck operations. Possible applications of voice synthesis systems were categorized as automatic or pilot selectable and many were rated as being potentially beneficial. In addition, voice system implementation guidelines and pertinent performance criteria are proposed. Finally, the findings of this study are compared with those made in a recent NASA study of a 1995 transport concept

Towards a Universal Wordnet by Learning from Combined Evidenc

Lexical databases are invaluable sources of knowledge about words and their meanings, with numerous applications in areas like NLP, IR, and AI. We propose a methodology for the automatic construction of a large-scale multilingual lexical database where words of many languages are hierarchically organized in terms of their meanings and their semantic relations to other words. This resource is bootstrapped from WordNet, a well-known English-language resource. Our approach extends WordNet with around 1.5 million meaning links for 800,000 words in over 200 languages, drawing on evidence extracted from a variety of resources including existing (monolingual) wordnets, (mostly bilingual) translation dictionaries, and parallel corpora. Graph-based scoring functions and statistical learning techniques are used to iteratively integrate this information and build an output graph. Experiments show that this wordnet has a high level of precision and coverage, and that it can be useful in applied tasks such as cross-lingual text classification

Intelligent Voice Email Agent: A Multimedia Solution

Intelligent agent theory is an important concept in artificial intelligent area. An intelligent agent, in a nutshell, is an intelligent program that uses agent communication protocols to exchange information for automatic problem solving, performing specific tasks on behalf of their users. Our objective is to investigate what an intelligent agent consists of and to implement several important aspects of it. In particular, we are interested in an intelligent agent that is able to take care of the incoming messages while the user is concentrating on some other duties. We develop an agent-based design framework and implement an intelligent agent system - voice email system that monitors incoming emails for us while we are surfing the Internet. A special feature of this system is that the agent reads any new messages for users. This initiative is based on the perception of real world needs and the academic research development. Based on what we have done, we can extend our agent capabilities. For example, two mail agents should be able to communicate each other to achieve more complicated task

Challenging Tongues: The “Irreducible Hybridity” of Language in Contemporary Bilingual Poetry

Contemporary bilingual poetry provides readers with an opportunity to explore and better understand how contemporary artists address the reality of their linguistic contexts. These works pose a challenge to traditional canonical (often national) literatures; furthermore, bilingual poets are keenly attuned to the ways language use represents the personal and political values at stake for their cultures. Bilingual poetry functions as a site of translation where languages interact within the text without traditional demarcations of original and translated text, representing a larger ideological challenge to institutional hierarchies that are often imposed on language. Perhaps unsurprisingly, the Internet has fostered bilingual poetry; the quality and proliferation of these works emphasise the need for more critical recognition of this form of expression. The friction, fluidity, cacophony, and subversive impulse of bilingual poetry embodies the convergence of enmity and rapport experienced by the very real speech communities that give them context

Design of a Controlled Language for Critical Infrastructures Protection

We describe a project for the construction of controlled language for critical infrastructures protection (CIP). This project originates from the need to coordinate and categorize the communications on CIP at the European level. These communications can be physically represented by official documents, reports on incidents, informal communications and plain e-mail. We explore the application of traditional library science tools for the construction of controlled languages in order to achieve our goal. Our starting point is an analogous work done during the sixties in the field of nuclear science known as the Euratom Thesaurus.JRC.G.6-Security technology assessmen