The proceedings of the 9th European Starting AI Researchers’ Symposium (STAIRS) are published Open Access in CEUR Workshop Proceedings vol. 2655.Sebastian Rudolph, Goreti Marreiros (eds.), Proceedings of the 9th European Starting AI Researchers’ Symposium 2020, co-located with 24th European Conference on Artificial Intelligence (ECAI 2020). Santiago Compostela, Spain, 29-30 August, 2020.

TITLE	AUTHORS
Defining Argumentation Semantics under a Claim-centric View	Anna Rapberger
Stability in Minimization-Based Altruistic Hedonic Games	Alessandra Wiechers and Jörg Rothe.
Robust Decision Tree Induction from Unreliable Data Sources	Christian Schreckenberger, Christian Bartelt and Heiner Stuckenschmidt
Cost-Based Budget Active Learning for Deep Learning	Patrick Gikunda and Nicolas Jouandeau
Towards Multi-Robot Task-Motion Planning for Navigation in Belief Space	Antony Thomas, Fulvio Mastrogiovanni and Marco Baglietto
A Machine Learning Approach to Boredom Detection using Smartphone’s Sensors	Bruno Fernandes, Carlos Campos, Jose Neves and Cesar Analide
Towards Human-Based Models of Behaviour in Social Robots: Exploring Age-Related Differences in the Processing of Gaze Cues in Human-Robot Interaction	Lucas Morillo-Méndez and Oscar Martinez Mozos
Robust Multi-Output Learning with Highly Incomplete Data via Restricted Boltzmann Machines	Giancarlo Fissore, Yufei Han, Aurélien Decelle and Cyril Furtlehner
Adaptive Multi-model Approaches to Pattern Set Mining	Tatiana Makhalova, Sergei O. Kuznetsov and Amedeo Napoli
Towards Traceability of Decision-making in Intelligent Context-based Adaptive System Environments	Mandy Goram and Dirk Veiel
The art painting style Classifier based on Logic Aggregators and qualitative colour Descriptors (C-LAD)	Vicent Costa.
Multi-Output Associative Memory for Content Addressable Information Retrieval	Sidharth Anupkrishnan and Arjun Sharma
Goal-constrained planning domain model verification of safety properties	Anas Shrinah and Kerstin Eder
Multimodal Interaction in Autonomous Driving. Towards Human Visual Perception Driven Standardisation and Benchmarking	Vasiliki Kondyli, Mehul Bhatt and Jakob Suchan
Towards an Explainable Argumentation-based Agent	Mariela Morveli Espinoza and Cesar Augusto Tacla
Towards deep learning reliable gender estimation from dental panoramic radiographs	Nicolás Vila Blanco, Raquel Rodríguez Vilas, María José Carreira Nouche and Inmaculada Tomás Carmona
Visual-Semantic Embedding Model Informed by Structured Knowledge	Mirantha Jayathilaka, Tingting Mu and Uli Sattler.
Applying LSTM Networks to Predict Multi-drug Resistance Using Binary Multivariate Clinical Sequences	Sergio Martínez-Agüero, Inmaculada Mora-Jiménez, Joaquín Álvarez-Rodríguez, Antonio García-Marqués and Cristina Soguero-Ruiz
Structural Onomatologic for Username Generation: A Partial Account	Francisco Supino Marcondes, Jose Joao Almeida and Paulo Novais
Modelling an Intelligent Tutoring System	Dalila Durães, Manuel Rodrigues, Rámon Toala and Paulo Novais