## 4 State of the Art in AI Museum Chatbots
### Description of Selective Museum Chatbots  
The following list of selected museum chatbots gives an overview of the current state of the art. It includes typical chatbots implementing various technologies, acting as a basis for the evaluation provided in Section 4.4. The detailed presentation of the selected museum chatbots supports their categorization and the identification of specific characteristics/attributes that are crucial for their evaluation and for the design of the proposed multi-chatbot architecture. * At the National Art Museum of the Republic of Belarus, a simple QA Facebook Messenger chatbot has been developed with use of the Chatfuel chatbot platform [55]. The chatbot can answer simple questions about the artefacts of the museum and it can be identified as a simple infobot, with low quality conversational skills [56]. The bot was accessible on 30 August 2021 from [[https://m.me/1904070043163955](https://m.me/1904070043163955)]([https://m.me/1904070043163955](https://m.me/1904070043163955)), but is currently inactive. * At Anne Frank House in Amsterdam, an off-site Facebook Messenger chatbot was developed and implemented with the use of msg.ai platform, now established as Netomi chatbot platform [57]. The chatbot content is well curated as the user is guided to follow a predetermined route with the use of buttons through the life of [PERSON] and the museum's exhibits. The chatbot is always tries to be in control of the conversation. It is not designed to answer free questions and gets confused when this happens. The designed scenario follows the scope of the museum, is helpful for the users and safe for the museum as it provides protection from users' misbehavior [6; 9]. The chatbot is currently inactive. * A chatbot with the same features as the Anne Frank House chatbot is also implemented for the Museo di arte moderna e contempororea di Trento e Rovereto [58]. The Martmuseum bot uses Facebook Messenger to guide visitors through its content with the use of predefined routes and was active on 30 August 2021 from [[https://www.messenger.com/t/martrovereto](https://www.messenger.com/t/martrovereto)]([https://www.messenger.com/t/martrovereto](https://www.messenger.com/t/martrovereto)). * The [PERSON]'s Chatbot is designed for the National Museum of the 21 st Century Arts in Rome. The chatbot is developed with Google's Dialogflow and integrated in a Facebook page [59]. The Facebook Messenger chatbot uses predefined content and guides the users through word or image selections to follow a certain path in a guided route. The chatbot is lacking conversational skills but provides engagement through multimedia content, rewards and carefully designed dialogs [6]. The chatbot was accessible with a Facebook account on 30 August 2021 from [[https://m.me/museomaxoi](https://m.me/museomaxoi)]([https://m.me/museomaxoi](https://m.me/museomaxoi)). * At the House Museum of Milan an advanced Facebook Messenger chatbot was developed, named \"Di Casa in casa\" adventure chatbot. The chatbot is developed with the Wit.ai platform and uses gamification techniques in order to engage sole users or groups of visitors to play a \"treasure hunt\" tour game by finding clues and learning new things. The chatbot also tries to engage visitors by creating realistic non-linear narrative dialogue tours, though the chatbot has no free conversational skills [5; 6; 9]. The chatbot was active on 30 August 2021 from [[https://www.messenger.com/t/casemuseobot](https://www.messenger.com/t/casemuseobot)]([https://www.messenger.com/t/casemuseobot](https://www.messenger.com/t/casemuseobot)), and is accessible only in the Italian language. * At Catal Hoyuk Neolithic site an advanced Facebook Messenger chatbot, named ChatCat was developed by a group of experts. The development team of the ChatCat chatbot, after an extensive design and testing process on the content and the possible dialogues have chosen Wit.ai chatbot platform for the implementation of the chatbot.