Search Results for author: Hadi Jahanshahi

Found 11 papers, 6 papers with code

Understanding transit ridership in an equity context through a comparison of statistical and machine learning algorithms

no code implementations30 Nov 2022 Elnaz Yousefzadeh Barri, Steven Farber, Hadi Jahanshahi, Eda Beyazit

Building an accurate model of travel behaviour based on individuals' characteristics and built environment attributes is of importance for policy-making and transportation planning.

ADPTriage: Approximate Dynamic Programming for Bug Triage

1 code implementation2 Nov 2022 Hadi Jahanshahi, Mucahit Cevik, Kianoush Mousavi, Ayşe Başar

In this study, we develop a Markov decision process (MDP) model for an online bug triage task.

Bug fixing Decision Making

S-DABT: Schedule and Dependency-Aware Bug Triage in Open-Source Bug Tracking Systems

1 code implementation12 Apr 2022 Hadi Jahanshahi, Mucahit Cevik

We further incorporate the schedule of developers in our formulation to have a more comprehensive model for this multifaceted problem.

Blocking Bug fixing +1

Text Classification for Predicting Multi-level Product Categories

no code implementations2 Sep 2021 Hadi Jahanshahi, Ozan Ozyegen, Mucahit Cevik, Beste Bulut, Deniz Yigit, Fahrettin F. Gonen, Ayşe Başar

In our experiments, we investigate the generalizability of the trained models to the products of other online retailers, the dynamic masking of infeasible subcategories for pretrained language models, and the benefits of incorporating product titles in multiple languages.

text-classification Text Classification

Auto Response Generation in Online Medical Chat Services

no code implementations26 Apr 2021 Hadi Jahanshahi, Syed Kazmi, Mucahit Cevik

These services have become gradually popular over the years with the advent of necessary technological infrastructure.

Clustering Response Generation

DABT: A Dependency-aware Bug Triaging Method

1 code implementation26 Apr 2021 Hadi Jahanshahi, Kritika Chhabra, Mucahit Cevik, Ayşe Başar

In software engineering practice, fixing a bug promptly reduces the associated costs.

Blocking Bug fixing

Predicting the Number of Reported Bugs in a Software Repository

1 code implementation24 Apr 2021 Hadi Jahanshahi, Mucahit Cevik, Ayşe Başar

We observe that LSTM is effective when considering long-run predictions whereas Random Forest Regressor enriched by exogenous variables performs better for predicting the number of bugs in the short term.

Time Series Time Series Forecasting

Does chronology matter in JIT defect prediction? A Partial Replication Study

1 code implementation5 Mar 2021 Hadi Jahanshahi, Dhanya Jothimani, Ayşe Başar, Mucahit Cevik

In this work, we aim to investigate the effect of code change properties on JIT models over time.

Moving from Cross-Project Defect Prediction to Heterogeneous Defect Prediction: A Partial Replication Study

no code implementations5 Mar 2021 Hadi Jahanshahi, Mucahit Cevik, Ayşe Başar

Our main goal is to extend prior research and explore the feasibility of HDP and finally to compare its performance with that of its predecessor, Cross-Project Defect Prediction.

Transfer Learning

nTreeClus: a Tree-based Sequence Encoder for Clustering Categorical Series

1 code implementation20 Feb 2021 Hadi Jahanshahi, Mustafa Gokce Baydogan

This paper proposes a new Model-based approach for clustering sequence data, namely nTreeClus.

Clustering Time Series +1

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