Search Results for author: Ivan Garibay

Found 15 papers, 4 papers with code

Explainable Detection of Sarcasm in Social Media

no code implementations EACL (WASSA) 2021 Ramya Akula, Ivan Garibay

Sarcasm is a linguistic expression often used to communicate the opposite of what is said, usually something that is very unpleasant with an intention to insult or ridicule.

Sarcasm Detection

Sentence Pair Embeddings Based Evaluation Metric for Abstractive and Extractive Summarization

no code implementations LREC 2022 Ramya Akula, Ivan Garibay

As these sentence pair tasks involve capturing the semantic similarity between a pair of input texts, we leverage these models in our metric computation.

Extractive Summarization Natural Language Inference +7

Dominant Set-based Active Learning for Text Classification and its Application to Online Social Media

no code implementations28 Jan 2022 Toktam A. Oghaz, Ivan Garibay

In this paper, we present a novel pool-based active learning method that can be used for the training of large unlabeled corpus with minimum annotation cost.

Active Learning Hate Speech Detection +2

Resilience from Diversity: Population-based approach to harden models against adversarial attacks

1 code implementation19 Nov 2021 Jasser Jasser, Ivan Garibay

When CLM is coupled with adversarial training, this defense mechanism achieves state-of-the-art robustness.

Ethical AI for Social Good

no code implementations14 Jul 2021 Ramya Akula, Ivan Garibay

The concept of AI for Social Good(AI4SG) is gaining momentum in both information societies and the AI community.

Interpretable Multi-Head Self-Attention model for Sarcasm Detection in social media

no code implementations14 Jan 2021 Ramya Akula, Ivan Garibay

We show the effectiveness of our approach by achieving state-of-the-art results on multiple datasets from social networking platforms and online media.

Sarcasm Detection

A Stance Data Set on Polarized Conversations on Twitter about the Efficacy of Hydroxychloroquine as a Treatment for COVID-19

1 code implementation19 Aug 2020 Ece Çiğdem Mutlu, Toktam A. Oghaz, Jasser Jasser, Ege Tütüncüler, Amirarsalan Rajabi, Aida Tayebi, Ozlem Ozmen, Ivan Garibay

We expect this data set to be useful for many research purposes, including stance detection, evolution and dynamics of opinions regarding this outbreak, and changes in opinions in response to the exogenous shocks such as policy decisions and events.

Stance Detection

A Comprehensive Survey on Machine Learning Techniques and User Authentication Approaches for Credit Card Fraud Detection

no code implementations2 Dec 2019 Niloofar Yousefi, Marie Alaghband, Ivan Garibay

Hence, the challenge to develop fraud detection that are accurate and efficient is substantially intensified and, as a consequence, credit card fraud detection has lately become a very active area of research.

BIG-bench Machine Learning Fraud Detection

Supervised Machine Learning based Ensemble Model for Accurate Prediction of Type 2 Diabetes

no code implementations18 Oct 2019 Ramya Akula, Ni Nguyen, Ivan Garibay

Thus, to test the accurate prediction of Type 2 diabetes, we use the patients' information from an electronic health records company called Practice Fusion, which has about 10, 000 patient records from 2009 to 2012.

BIG-bench Machine Learning Specificity

Forecasting the Success of Television Series using Machine Learning

no code implementations18 Oct 2019 Ramya Akula, Zachary Wieselthier, Laura Martin, Ivan Garibay

The models represent a baseline to understanding the success of a television show and how producers can increase the success of current television shows or utilize this data in the creation of future shows.

BIG-bench Machine Learning Descriptive

DeepFork: Supervised Prediction of Information Diffusion in GitHub

1 code implementation17 Oct 2019 Ramya Akula, Niloofar Yousefi, Ivan Garibay

To understand human influence, information spread and evolution of transmitted information among assorted users in GitHub, we developed a deep neural network model: DeepFork, a supervised machine learning based approach that aims to predict information diffusion in complex social networks; considering node as well as topological features.

BIG-bench Machine Learning Link Prediction

NL4Py: Agent-Based Modeling in Python with Parallelizable NetLogo Workspaces

1 code implementation9 Aug 2018 Chathika Gunaratne, Ivan Garibay

External control of agent-based models is vital for complex adaptive systems research.

Multiagent Systems

Evolutionary Model Discovery of Factors for Farm Selection by the Artificial Anasazi

no code implementations1 Feb 2018 Chathika Gunaratne, Ivan Garibay

We use evolutionary model discovery to explore plausible farm seeking strategies, extending our previous study by testing four social connectivity strategies, four emotional theory components and five rational mechanisms for a more complex human-like approach towards farm plot selection.

Multiagent Systems

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