Download Interactive Multi-modal Question-Answering by Antal van den Bosch PDF

By Antal van den Bosch

This ebook is the results of a gaggle of researchers from diverse disciplines asking themselves one query: what does it take to advance a working laptop or computer interface that listens, talks, and will resolution questions in a website? First, evidently, it takes really expert modules for speech attractiveness and synthesis, human interplay administration (dialogue, enter fusion, andmultimodal output fusion), uncomplicated query realizing, and solution discovering. whereas all modules are researched as self reliant subfields, this booklet describes the advance of cutting-edge modules and their integration right into a unmarried, operating software able to answering clinical (encyclopedic) questions similar to "How lengthy is anyone with measles contagious?" or "How am i able to hinder RSI?".

The contributions during this booklet, which grew out of the IMIX undertaking funded via the Netherlands supplier for medical examine, record the advance of the program, but in addition tackle extra basic matters in common language processing, akin to the improvement of multidimensional discussion structures, the purchase of taxonomic wisdom from textual content, resolution fusion, series processing for domain-specific entity acceptance, and syntactic parsing for query answering. jointly, they give an outline of crucial findings and classes realized within the scope of the IMIX venture, making the e-book of curiosity to either educational and advertisement builders of human-machine interplay structures in Dutch or the other language.

Highlights contain: integrating multi-modal enter fusion in discussion administration (Van Schooten and Op den Akker), cutting-edge ways to the extraction of time period editions (Van der Plas, Tiedemann, and Fahmi; Tjong Kim Sang, Hofmann, and De Rijke), and multi-modal resolution fusion (two chapters by way of Van Hooijdonk, Bosma, Krahmer, Maes, Theune, and Marsi).

Watch the IMIX motion picture at www.nwo.nl/imix-film .

Like IBM's Watson, the IMIX method defined within the publication provides clearly phrased responses to obviously posed questions. the place Watson can in basic terms generate man made speech, the IMIX method additionally acknowledges speech. nevertheless, Watson is ready to win a tv quiz, whereas the IMIX method is domain-specific, answering purely to scientific questions.

"The Netherlands has constantly been one of many leaders within the common box of Human Language expertise, and IMIX isn't any exception. It used to be a truly bold software, with a remarkably winning functionality resulting in fascinating effects. The groups coated a outstanding quantity of territory within the common sphere of multimodal query answering and knowledge supply, query answering, info extraction and part technologies."

Eduard Hovy, USC, united states, Jon Oberlander, collage of Edinburgh, Scotland, and Norbert Reithinger, DFKI, Germany

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This is also the case with the individual modules. Most collaboration between subprojects was not related to the Demonstrator, but to the use of supplementary resources, such as NLP tools (for example the use of the Alpino parser) and shared data, such as the collections of annotated questions and annotated pictures. All in all, the conclusion is that the Demonstrator itself did not work as a research tool. So, was the Demonstrator a good idea? It served as a collaboration tool, but there may be more efficient methods.

For each FQ, one of a small set of relatively basic rewriting strategies was chosen. The most successful strategy by far, for both unimodal and multimodal FQ, was found to be the anaphora substitution strategy. Here, an anaphor in the sentence has to be located and identified as being substitutable. In practice, it was found that only a fraction of typical FQ can be rewritten using this method, due to the lack of proper rewriting methods to cover the entire range of FQ satisfactorily. Performance is measured by assuming that the first step was done correctly, and by counting the percentage of correct (intelligible and syntactically correct) sentences.

Table 3 summarises existing systems in terms of these steps, and give performance figures where available. It has to be concluded that the performances are hard to compare. Not only do the systems have different languages and domains, they also use different performance criteria and corpora. It was found that the same system tested on different corpora can give quite different results. It was also found that no distinction was made anywhere between harmful and insufficient. Vidiam: Dialogue Manager for Multimodal Question Answering 35 3 The Corpora This section describes the three corpora collected and analysed.

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