Research

Below a list of selected papers.

Big Data & Machine Learning for Social Good

2025, A new approach to estimate neighborhood socioeconomic status using supermarket transactions and GNNs [SDGs: 1, 3 , 11] (new)
Eduardo Cruz, Monica Villavicencio, Carmen Vaca, Lisette Espín-Noboa & Nervo Verdezoto 

2024, Strategic Transferability in Poverty Map Inference [SDGs: 1, 3 , 11]
Lisette Espín-Noboa, Yannik Gaebel, János Kertész, Márton Karsai.

2024, A Comparative Analysis of Wealth Index Predictions in Africa between three Multi-Source Inference Models [SDGs: 1, 3 , 11]
Márton Karsai, János Kertész, Lisette Espín-Noboa

2023, Interpreting Wealth Distribution via Poverty Map Inference using Multimodal Data [SDGs: 1, 3 , 11]
Lisette Espín-Noboa, János Kertész, Márton Karsai. In Proceedings of the ACM Web Conference 2023 (WWW ’23), April 30–May 04,2023, Austin, TX, USA.ACM, New York, NY, USA, 12 pages. https://doi.org/10.1145/3543507.3583862 

2022, The Volume and Tone of Twitter Posts About Cannabis Use During Pregnancy [SDGs: 3]
Lisette Espín-Noboa, Nikou Farsiu, Márton Karsai, Daniel J Corsi.

Fairness in Social Networks

2024, Auditing Llama 3 for Academic Author Search [SDGs: 5, 10, 16]
Daniele Barolo, Chiara Valentin, Fariba Karimi, Luis Galárraga, Gonzalo Gabriel Méndez, Bruno Ribeiro, Lisette Espín-Noboa.

2024, Increasing the visibility of minorities in Academia [SDGs: 5, 10, 16]
Lisette Espín-Noboa et al. 

2023, How Parenthood Policies and Support Networks Shape Career Paths in Academia [SDGs: 5, 8, 10, 16]
Lisette Espín-Noboa et al. 

2022, Notions of "Network Fairness" [SDGs: 5, 10, 16]
Lisette Espín-Noboa et al. 

2022, Perceptions of "Network Fairness" [SDGs: 5, 10, 16]
Lisette Espín-Noboa et al. 

The Influence of Ege Formation in Algorithms

2023, The Centrality of Minorities under Triadic Closure and Homophily (work-in-progress) [SDGs: 5, 10 , 16]
Jan Bachmann, Lisette Espín-Noboa, Samuel Martin-Gutierrez, Nicola Cinardi, and Fariba Karimi

2022, Inequality and Inequity in Network-based Ranking and Recommendation Algorithms [SDGs: 5, 10 , 16]
Lisette Espín-Noboa, Claudia Wagner, Markus Strohmaier, Fariba Karimi.  https://doi.org/10.1038/s41598-022-05434-1  [🏅Top 100 in Sustainability - 2022 ]

2021, Explaining Classification Performance and Bias via Network Structure and Sampling Technique [SDGs: 5, 10 , 16]
Lisette Espín-Noboa, Fariba Karimi, Bruno Ribeiro, Kristina Lerman, Claudia Wagner. Applied Network Science, 2021. https://doi.org/10.1007/s41109-021-00394-3 

2018, Towards Quantifying Sampling Bias in Network Inference
Lisette Espín-Noboa, Claudia Wagner, Fariba Karimi and Kristina Lerman. In WWW ’18 Companion: The 2018 Web Conference Companion, April 23–27, 2018, Lyon, France. ACM, New York, NY, USA, 9 pages. https://doi.org/10.1145/3184558.3191567

Edge Formation in Networks

2019, HopRank: How Semantic Structure Influences Teleportation in PageRank (A case study on BioPortal)
Lisette Espín-Noboa, Florian Lemmerich, Simon Walk, Markus Strohmaier and Mark A. Musen. In TheWebConf'19 Companion: The 2019 Web Conference Companion, May 13–17, 2019, San Francisco, CA, USA. https://doi.org/10.1145/3308558.3313487

2017, JANUS: A Hypothesis-driven Bayesian Approach for Understanding Edge Formation in Attributed Multigraphs
Lisette Espín-Noboa, Florian Lemmerich, Markus Strohmaier and Philipp Singer. Applied Network Science, 2017. https://doi.org/10.1007/s41109-017-0036-1

2017, How Users Explore Ontologies on the Web: A Study of NCBO's BioPortal Usage Logs
Simon Walk, Lisette Espín-Noboa, Denis Helic, Markus Strohmaier and Mark A. Musen. In Proceedings of 26th International World Wide Web Conference WWW'17. https://doi.org/10.1145/3038912.3052606
[pdf, arxiv] @ WWW'17

2016, Discovering and Characterizing Mobility Patterns in Urban Spaces: A Study of Manhattan Taxi Data
Lisette Espín-Noboa, Florian Lemmerich, Philipp Singer and Markus Strohmaier. In Proceedings of the 25th International Conference Companion on World Wide Web (pp. 537-542). International World Wide Web Conferences Steering Committee (WWW). Montreal, Canada, 2016 Apr 11. https://doi.org/10.1145/2872518.2890468
[pdf] [slides] @ LocWeb - WWW'16

2015, Understanding How Users Edit Ontologies: Comparing Hypotheses About Four Real-World Projects
Simon Walk, Philipp Singer, Lisette Espín-Noboa, Tania Tudorache, Mark A. Musen and Markus Strohmaier. In The Semantic Web (pp. 551-568). Springer International Publishing (ISWC). Betlehem, Pennsylvania, USA, 2015 Oct 11. https://doi.org/10.1007/978-3-319-25007-6_32
[pdf] @ ISWC'15

NLP for Social Media

2015, Characterizing Information Diets of Social Media Users
Juhi Kulshrestha, Muhammad Bilal Zafar, Lisette Espín-Noboa , Krishna P. Gummadi, Saptarshi Ghosh. In Ninth International AAAI Conference on Web and Social Media (ICWSM). Oxford, UK, 2015 Apr 21. https://doi.org/10.1609/icwsm.v9i1.14634 
[pdf]  @ ICWSM'15