no code implementations • 23 Feb 2022 • Geoffrey Pettet, Hunter Baxter, Sayyed Mohsen Vazirizade, Hemant Purohit, Meiyi Ma, Ayan Mukhopadhyay, Abhishek Dubey
Designing effective emergency response management (ERM) systems to respond to incidents such as road accidents is a major problem faced by communities.
no code implementations • 3 Dec 2021 • Yasas Senarath, Ayan Mukhopadhyay, Sayyed Mohsen Vazirizade, Hemant Purohit, Saideep Nannapaneni, Abhishek Dubey
First, we show how crowdsourced reports, ground-truth historical data, and other relevant determinants such as traffic and weather can be used together in a Convolutional Neural Network (CNN) architecture for early detection of emergency incidents.
1 code implementation • 31 Aug 2021 • Jitin Krishnan, Antonios Anastasopoulos, Hemant Purohit, Huzefa Rangwala
Transliteration is very common on social media, but transliterated text is not adequately handled by modern neural models for various NLP tasks.
1 code implementation • EMNLP (MRL) 2021 • Jitin Krishnan, Antonios Anastasopoulos, Hemant Purohit, Huzefa Rangwala
Predicting user intent and detecting the corresponding slots from text are two key problems in Natural Language Understanding (NLU).
1 code implementation • 10 Nov 2020 • Yasas Senarath, Saideep Nannapaneni, Hemant Purohit, Abhishek Dubey
Crowdsourcing platforms such as Waze provides an opportunity to develop a rapid, `proactive' approach to collect data about incidents through crowd-generated observational reports.
Ranked #1 on Traffic Accident Detection on custom
1 code implementation • 26 Mar 2020 • Jitin Krishnan, Patrick Coronado, Hemant Purohit, Huzefa Rangwala
We build a common-knowledge concept recognition system for a Systems Engineer's Virtual Assistant (SEVA) which can be used for downstream tasks such as relation extraction, knowledge graph construction, and question-answering.
1 code implementation • 4 Mar 2020 • Jitin Krishnan, Hemant Purohit, Huzefa Rangwala
As deep networks struggle with sparse datasets, we show that this can be improved by sharing a base layer for multi-task learning and domain adversarial training.
1 code implementation • 25 Feb 2020 • Jitin Krishnan, Hemant Purohit, Huzefa Rangwala
At present, the state-of-the-art unsupervised domain adaptation approaches for subjective text classification problems leverage unlabeled target data along with labeled source data.
no code implementations • ICSC 2020 • Yasas Senarath, Hemant Purohit
We hypothesize that semantic features can help enrich the context representation of word senses in a social media post for machine learning algorithms.
1 code implementation • 26 Aug 2019 • Xiaojie Guo, Amir Alipour-Fanid, Lingfei Wu, Hemant Purohit, Xiang Chen, Kai Zeng, Liang Zhao
At present, object recognition studies are mostly conducted in a closed lab setting with classes in test phase typically in training phase.
no code implementations • 16 Jul 2019 • Rahul Pandey, Carlos Castillo, Hemant Purohit
High-quality human annotations are necessary to create effective machine learning systems for social media.
no code implementations • COLING 2018 • Prakruthi Karuna, Hemant Purohit, {\"O}zlem Uzuner, Sushil Jajodia, Rajesh Ganesan
We can generate fake text documents by obscuring the salient information in legit text documents.
no code implementations • 25 Apr 2018 • Habib Karbasian, Hemant Purohit, Rajat Handa, Aqdas Malik, Aditya Johri
A generic framework is devised to classify a Twitter user into three classes: organization, male and female in a real-time manner.