Youngjoong Ko


2004

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Automatic Text Summarization Using Two-Step Sentence Extraction
Wooncheol Jung | Youngjoong Ko | Jungyun Seo
Information Retrieval Technology, Asia Information Retrieval Symposium, AIRS 2004, Beijing, China, October 18-20, 2004, Revised Selected Papers

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Using the feature projection technique based on a normalized voting method for text classification
Youngjoong Ko | Jungyun Seo
2004 Volume 40 Issue 2

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Improving text categorization using the importance of sentences
Youngjoong Ko | Jinwoo Park | Jungyun Seo
2004 Volume 40 Issue 1

2005

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Extracting and Utilizing of IS-A Relation Patterns for Question Answering Systems
Bojun Shim | Youngjoong Ko | Jungyun Seo
Information Retrieval Technology, Second Asia Information Retrieval Symposium, AIRS 2005, Jeju Island, Korea, October 13-15, 2005, Proceedings

2007

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An effective snippet generation method using the pseudo relevance feedback technique
Youngjoong Ko | Hongkuk An | Jungyun Seo
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Using the revised EM algorithm to remove noisy data for improving the one-against-the-rest method in binary text classification
Hyoungdong Han | Youngjoong Ko | Jungyun Seo
2007 Volume 43 Issue 5

2009

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Text classification from unlabeled documents with bootstrapping and feature projection techniques
Youngjoong Ko | Jungyun Seo
2009 Volume 45 Issue 1

2012

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An effective category classification method based on a language model for question category recommendation on a cQA service
Kyoungman Bae | Youngjoong Ko
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Mathematical equation retrieval using plain words as a query
Shinil Kim | Seon Yang | Youngjoong Ko
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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A study of term weighting schemes using class information for text classification
Youngjoong Ko
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

2014

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An Effective Question Expanding Method for Question Classification in cQA services
Kyoungman Bae | Youngjoong Ko
Proceedings of the 7th Workshop on Ph.D Students, PIKM@CIKM 2014, Shanghai, China, November 3, 2014

2015

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Combining lexical and statistical translation evidence for cross-language information retrieval
Sungho Kim | Youngjoong Ko | Douglas W. Oard
2015 Volume 66 Issue 1

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A new term-weighting scheme for text classification using the odds of positive and negative class probabilities
Youngjoong Ko
2015 Volume 66 Issue 12

2017

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A Robust Named-Entity Recognition System Using Syllable Bigram Embedding with Eojeol Prefix Information
Sunjae Kwon | Youngjoong Ko | Jungyun Seo
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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How to use negative class information for Naive Bayes classification
Youngjoong Ko
2017 Volume 53 Issue 6

2019

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Improving question retrieval in community question answering service using dependency relations and question classification
Kyoungman Bae | Youngjoong Ko
2019 Volume 70 Issue 11

2021

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Query Reformulation for Descriptive Queries of Jargon Words Using a Knowledge Graph based on a Dictionary
Bosung Kim | Hyewon Choi | Haeun Yu | Youngjoong Ko
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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Using Topic Modeling and Adversarial Neural Networks for Fake News Video Detection
Hyewon Choi | Youngjoong Ko
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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Self-supervised Fine-tuning for Efficient Passage Re-ranking
Meoungjun Kim | Youngjoong Ko
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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Self-Supervised Learning based on Sentiment Analysis with Word Weight Calculation
Dongcheol Son | Youngjoong Ko
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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Word sense disambiguation based on context selection using knowledge-based word similarity
Sunjae Kwon | Dongsuk Oh | Youngjoong Ko
2021 Volume 58 Issue 4