activity
20172023
most citedOpen vs Closed-ended questions in attitudinal surveys -- comparing, combining, and interpreting using natural language processing

37 citations · 42 across the 3 of their papers we have counts for

collaborators

7 papers

stat.AP2023★ 3 cited

Analyzing the Reporting Error of Public Transport Trips in the Danish National Travel Survey Using Smart Card Data

Georges Sfeir, Filipe Rodrigues, Maya Abou Zeid +1

Household travel surveys have been used for decades to collect individuals and households' travel behavior. However, self-reported surveys are subject to recall bias, as respondent…

econ.GN2022★ 37 cited

Open vs Closed-ended questions in attitudinal surveys -- comparing, combining, and interpreting using natural language processing

Vishnu Baburajan, João de Abreu e Silva, Francisco Camara Pereira

To improve the traveling experience, researchers have been analyzing the role of attitudes in travel behavior modeling. Although most researchers use closed-ended surveys, the appr…

cs.LG2022

Large Scale Passenger Detection with Smartphone/Bus Implicit Interaction and Multisensory Unsupervised Cause-effect Learning

Valentino Servizi, Dan R. Persson, Francisco C. Pereira +4

Intelligent Transportation Systems (ITS) underpin the concept of Mobility as a Service (MaaS), which requires universal and seamless users' access across multiple public and privat…

stat.ML2021★ 2 cited

Combining Discrete Choice Models and Neural Networks through Embeddings: Formulation, Interpretability and Performance

Ioanna Arkoudi, Carlos Lima Azevedo, Francisco C. Pereira

This study proposes a novel approach that combines theory and data-driven choice models using Artificial Neural Networks (ANNs). In particular, we use continuous vector representat…

cs.LG2021

Modeling Censored Mobility Demand through Quantile Regression Neural Networks

Frederik Boe Hüttel, Inon Peled, Filipe Rodrigues +1

Shared mobility services require accurate demand models for effective service planning. On the one hand, modeling the full probability distribution of demand is advantageous becaus…

cs.LG2019

Mining User Behaviour from Smartphone data: a literature review

Valentino Servizi, Francisco C. Pereira, Marie K. Anderson +1

To study users' travel behaviour and travel time between origin and destination, researchers employ travel surveys. Although there is consensus in the field about the potential, af…