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Workshop Co-chairs: Derek Bridge Paulo Gomes Nuno Seco

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Fourth Workshop in Textual Case-Based Reasoning: Beyond Retrieval. Workshop Co-chairs: Derek Bridge Paulo Gomes Nuno Seco. Highlights Definition of a new research problem: Conversational Textual CBR : how to automatically extract/organise the features that become prompts.

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Workshop Co-chairs: Derek Bridge Paulo Gomes Nuno Seco
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  1. Fourth Workshop in Textual Case-Based Reasoning: Beyond Retrieval Workshop Co-chairs: Derek Bridge Paulo Gomes Nuno Seco

  2. Highlights • Definition of a new research problem: Conversational Textual CBR: how to automatically extract/organise the features that become prompts. • A new methodological framework: how to evaluate this kind of feature set. (Effectiveness, efficiency. A discussion about other criteria.) • A new application area: e-learning contents. Extracting features for use in solutions. Discussion of the influence of domain.

  3. Highlights • A system for report authoring which guides manual adaptation of similar reports retrieved from the case base. • A proposal that adaptation on structured cases can be followed by natural language generation. We discussed the practicalities of this. • In the context of adaptation, we compared • statistical approaches (e.g. vector space), • information extraction using expert rules, and • statistical approaches enhanced by learned knowledge.

  4. Highlights • A simple but effective visualisation of a case base where textual cases are represented by feature vectors. • An intriguing case base complexity measure: the degree to which sim. probs. have sim. solutions is assessed by the compressability of one of the visualisations. • A wide-ranging discussion of the role of maintenance in TCBR and in CBR in general: “it’s not (just) about deletion”.

  5. Highlights • Classification of sentences in incident reports as causes or facts using a novel vector representation: separate vectors characterise subject, verb and object. • Statistical techniques for recommending sentences to authors based on tools for, e.g., POS tagging, named entity extraction, construction of a translation model between problem and solution phrases... • Discussion considered the merits of challenges and competitions to furthering work in TCBR, with ref. to this challenge, to the cooking competition and to TREC.

  6. Fourth Workshop in Textual Case-Based Reasoning: Beyond Retrieval Thank you for your attention!