A Chatbot Extended with Argumentation
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The document presents an argumentative chatbot, Argubot, designed for dialogue and debate on predetermined topics, utilizing bipolar argumentation frameworks to support or refute user claims. It highlights the architecture and input/output processes of Argubot, focusing on how it processes user intentions and generates responses based on argumentation theory. The chatbot aims to enhance decision-making or persuasion by dynamically engaging users in discussions.
A Chatbot Extended with Argumentation
- 1. AI^3 2021 A Chat bot Extended with Argumentation Stefano Bistarelli, Francesco Santini, Carlo Taticchi
- 2. AI^3 2021 - A Chat bot Extended with Argumentation 2 Chatbots • Software designed to interact with real people • Used for: ‣ Online help and FAQs for websites ‣ Contents customisation ‣ Customer service ‣ Business assistance ‣ …
- 3. AI^3 2021 - A Chat bot Extended with Argumentation 3 Chatbots • How “smart” they need to be? ‣ Enough to handle a conversation (Turing test) ‣ Not so much to act on their own • Convincing vs smart ‣ Answers acceptable to users
- 4. AI^3 2021 - A Chat bot Extended with Argumentation Credibility & Authority Ethos Passion & Emotions Pathos Reasoning & Logic Logos
- 5. AI^3 2021 - A Chat bot Extended with Argumentation 5 Bipolar Argumentation Frameworks (BAFs) • Composed of: ‣ arguments ‣ attack relations ‣ support relations • Argumentation semantics identi fi es sets of acceptable arguments ‣ Transitive closure
- 6. AI^3 2021 - A Chat bot Extended with Argumentation 5 Bipolar Argumentation Frameworks (BAFs) • Composed of: ‣ arguments ‣ attack relations ‣ support relations • Argumentation semantics identi fi es sets of acceptable arguments ‣ Transitive closure
- 7. AI^3 2021 - A Chat bot Extended with Argumentation 6 Bipolar Argumentation Frameworks • Composed of: ‣ arguments ‣ attack relations ‣ support relations • Argumentation semantics identi fi es sets of acceptable arguments ‣ Transitive closure (BAFs)
- 8. AI^3 2021 - A Chat bot Extended with Argumentation 7 An argumentative chatbot Argubot • Simulates a debate with a user on a predetermined topic ‣ Can support the user's thesis (eg: for decision making) ‣ Or refute it (ex: persuasion) • Example: “Do video games make young people more aggressive?” ‣ There is not necessarily a correct answer ‣ The aim is to make users inclined to believe the chatbot
- 9. AI^3 2021 - A Chat bot Extended with Argumentation 8 Architecture Argubot • Components: ‣ web interface ‣ dialog fl ow ‣ python library • Input processing: ‣ understand user’s intent ‣ pro or con the subject of the conversation • Output generation uses Argumentation Theory
- 10. AI^3 2021 - A Chat bot Extended with Argumentation 9 Input matching Argubot • Uses a Bipolar Argumentation Framework • Identi fi es a correspondence between user’s input and an argument "Children are most affected by violent video games" Match found with Argument 15
- 11. AI^3 2021 - A Chat bot Extended with Argumentation 10 Output generation Argubot • Answers to a user’s argument A: ‣ pro: chooses an argument that can be accepted together with A ‣ con: chooses an argument that attacks A • Example: ‣ 1: “Violent games make youth more aggressive” ‣ 6: “Teens emulate violent scenes of video games” ‣ 8: “People know violence in video games is fake”
- 12. AI^3 2021 - A Chat bot Extended with Argumentation
- 13. AI^3 2021 - A Chat bot Extended with Argumentation • We propose a chatbot that uses solutions based on Abstract Argumentation • It can persuade or helps the user to make decisions • We designed and implemented a web interface for the chatbot Conclusion 12 • Dynamically add arguments and relations to the BAF during the conversation • Use a distributed store instead of a centralised one • Integrate ConArgLib functions to deal with support relations • Integrate ethos and pathos in the reasoning process Future Work
- 14. A Chat bot Extended with Argumentation AI^3 2021 Stefano Bistarelli, Francesco Santini, Carlo Taticchi Thank you for your attention!