Search Results for author: Youngja Park

Found 10 papers, 0 papers with code

Ontology-driven Knowledge Graph for Android Malware

no code implementations3 Sep 2021 Ryan Christian, Sharmishtha Dutta, Youngja Park, Nidhi Rastogi

This ontology forms the basis for the malware threat intelligence knowledge graph, MalKG, which we exemplify using three different, non-overlapping demonstrations.

Backdoor Smoothing: Demystifying Backdoor Attacks on Deep Neural Networks

no code implementations11 Jun 2020 Kathrin Grosse, Taesung Lee, Battista Biggio, Youngja Park, Michael Backes, Ian Molloy

Backdoor attacks mislead machine-learning models to output an attacker-specified class when presented a specific trigger at test time.

Supervising Unsupervised Open Information Extraction Models

no code implementations IJCNLP 2019 Arpita Roy, Youngja Park, Taesung Lee, SHimei Pan

We propose a novel supervised open information extraction (Open IE) framework that leverages an ensemble of unsupervised Open IE systems and a small amount of labeled data to improve system performance.

Open Information Extraction Role Embedding

Predicting Malware Attributes from Cybersecurity Texts

no code implementations NAACL 2019 Arpita Roy, Youngja Park, SHimei Pan

Text analytics is a useful tool for studying malware behavior and tracking emerging threats.

UMBC at SemEval-2018 Task 8: Understanding Text about Malware

no code implementations SEMEVAL 2018 Ankur Padia, Arpita Roy, Taneeya Satyapanich, Francis Ferraro, SHimei Pan, Youngja Park, Anupam Joshi, Tim Finin

We describe the systems developed by the UMBC team for 2018 SemEval Task 8, SecureNLP (Semantic Extraction from CybersecUrity REports using Natural Language Processing).

DinTucker: Scaling up Gaussian process models on multidimensional arrays with billions of elements

no code implementations12 Nov 2013 Shandian Zhe, Yuan Qi, Youngja Park, Ian Molloy, Suresh Chari

To overcome this limitation, we present Distributed Infinite Tucker (DINTUCKER), a large-scale nonlinear tensor decomposition algorithm on MAPREDUCE.

Tensor Decomposition Variational Inference

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