Nir Ofek

According to our database, Nir Ofek authored at least 19 papers between 2007 and 2017.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2017

Fast-CBUS: A fast clustering-based undersampling method for addressing the class imbalance problem.

Nir Ofek, Lior Rokach, Roni Stern, Asaf Shabtai

Neurocomputing, 2017

User Feedback Analysis for Mobile Malware Detection.

Tal Hadad, Bronislav Sidik, Nir Ofek, Rami Puzis, Lior Rokach

Proceedings of the 3rd International Conference on Information Systems Security and Privacy, 2017

Application Marketplace Malware Detection by User Feedback Analysis.

Tal Hadad, Rami Puzis, Bronislav Sidik, Nir Ofek, Lior Rokach

Proceedings of the Information Systems Security and Privacy, 2017

2016

Unsupervised Commonsense Knowledge Enrichment for Domain-Specific Sentiment Analysis.

Nir Ofek, Soujanya Poria, Lior Rokach, Erik Cambria, Amir Hussain, Asaf Shabtai

Cogn. Comput., 2016

2015

ConSent: Context-based sentiment analysis.

Gilad Katz, Nir Ofek, Bracha Shapira

Knowl. Based Syst., 2015

A classifier to determine which Wikipedia biographies will be accepted.

Nir Ofek, Lior Rokach

J. Assoc. Inf. Sci. Technol., 2015

The Importance of Pronouns to Sentiment Analysis: Online Cancer Survivor Network Case Study.

Nir Ofek, Lior Rokach, Cornelia Caragea, John Yen

Proceedings of the 24th International Conference on World Wide Web Companion, 2015

Exploiting Wikipedia for Information Retrieval Tasks.

Bracha Shapira, Nir Ofek, Victor Makarenkov

Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2015

Sentiment Analysis in Transcribed Utterances.

Nir Ofek, Gilad Katz, Bracha Shapira, Yedidya Bar-Zev

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2015

2014

ConfDTree: A Statistical Method for Improving Decision Trees.

Gilad Katz, Asaf Shabtai, Lior Rokach, Nir Ofek

J. Comput. Sci. Technol., 2014

Dynamic Latent Expertise Mining in Social Networks.

Nir Ofek, Asaf Shabtai

IEEE Internet Comput., 2014

Dependency Tree-Based Rules for Concept-Level Aspect-Based Sentiment Analysis.

Soujanya Poria, Nir Ofek, Alexander F. Gelbukh, Amir Hussain, Lior Rokach

Proceedings of the Semantic Web Evaluation Challenge, 2014

Unsupervised Fine-Grained Sentiment Analysis System Using Lexicons and Concepts.

Nir Ofek, Lior Rokach

Proceedings of the Semantic Web Evaluation Challenge, 2014

Methodology for Connecting Nouns to Their Modifying Adjectives.

Nir Ofek, Lior Rokach, Prasenjit Mitra

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2014

2013

Improving Sentiment Analysis in an Online Cancer Survivor Community Using Dynamic Sentiment Lexicon.

Nir Ofek, Cornelia Caragea, Lior Rokach, Prakhar Biyani, Prasenjit Mitra, John Yen, Kenneth Portier, Greta E. Greer

Proceedings of the 2013 International Conference on Social Intelligence and Technology, 2013

Linking Motif Sequences with Tale Types by Machine Learning.

Nir Ofek, Sándor Darányi, Lior Rokach

Proceedings of the 2013 Workshop on Computational Models of Narrative, 2013

2012

ConfDTree: Improving Decision Trees Using Confidence Intervals.

Gilad Katz, Asaf Shabtai, Lior Rokach, Nir Ofek

Proceedings of the 12th IEEE International Conference on Data Mining, 2012

2011

Using Wikipedia to boost collaborative filtering techniques.

Gilad Katz, Nir Ofek, Bracha Shapira, Lior Rokach, Guy Shani

Proceedings of the 2011 ACM Conference on Recommender Systems, 2011

2007

Combining Perimeter Search and Pattern Database Abstractions.

Ariel Felner, Nir Ofek

Proceedings of the Abstraction, 2007