Mercan Topkara

According to our database, Mercan Topkara authored at least 32 papers between 2002 and 2017.

Collaborative distances:

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

2017

Multilingual visual sentiment concept clustering and analysis.

Nikolaos Pappas, Miriam Redi, Mercan Topkara, Hongyi Liu, Brendan Jou, Tao Chen, Shih-Fu Chang

Int. J. Multim. Inf. Retr., 2017

2016

The Stability and Usability of Statistical Topic Models.

Yi Yang, Shimei Pan, Jie Lu, Mercan Topkara, Yangqiu Song

ACM Trans. Interact. Intell. Syst., 2016

Multilingual Visual Sentiment Concept Matching.

Nikolaos Pappas, Miriam Redi, Mercan Topkara, Brendan Jou, Hongyi Liu, Tao Chen, Shih-Fu Chang

Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, 2016

Complura: Exploring and Leveraging a Large-scale Multilingual Visual Sentiment Ontology.

Hongyi Liu, Brendan Jou, Tao Chen, Mercan Topkara, Nikolaos Pappas, Miriam Redi, Shih-Fu Chang

Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, 2016

Improving Topic Model Stability for Effective Document Exploration.

Yi Yang, Shimei Pan, Yangqiu Song, Jie Lu, Mercan Topkara

Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, 2016

2015

Making Enterprise Recorded Meetings Easy to Discover and Share.

Shimei Pan, Mercan Topkara, Jeff Boston, Steve Wood, Jennifer C. Lai

Int. J. Multim. Data Eng. Manag., 2015

Enabling Multiple QR Codes in Close Proximity.

Mercan Topkara, Thomas Erickson, Umut Topkara, Chandrasekhar Narayanaswami

CoRR, 2015

Visual Affect Around the World: A Large-scale Multilingual Visual Sentiment Ontology.

Brendan Jou, Tao Chen, Nikolaos Pappas, Miriam Redi, Mercan Topkara, Shih-Fu Chang

Proceedings of the 23rd Annual ACM Conference on Multimedia Conference, MM '15, Brisbane, Australia, October 26, 2015

User-directed Non-Disruptive Topic Model Update for Effective Exploration of Dynamic Content.

Yi Yang, Shimei Pan, Yangqiu Song, Jie Lu, Mercan Topkara

Proceedings of the 20th International Conference on Intelligent User Interfaces, 2015

Perceptual evaluation of visual alerts in surveillance videos.

Bernice E. Rogowitz, Mercan Topkara, William Pfeiffer, Arun Hampapur

Proceedings of the Human Vision and Electronic Imaging XX, 2015

2014

Expediting expertise: supporting informal social learning in the enterprise.

Jennifer C. Lai, Jie Lu, Shimei Pan, Danny Soroker, Mercan Topkara, Justin D. Weisz, Jeff Boston, Jason Crawford

Proceedings of the 19th International Conference on Intelligent User Interfaces, 2014

Composite Search for Distributed Multimedia Recorded Meetings.

Shimei Pan, Mercan Topkara, Steve Wood, Jeff Boston, Jennifer C. Lai

Proceedings of the 2014 IEEE International Symposium on Multimedia, 2014

Dare to Compare: Motivating Expertise Building in the Enterprise through Intelligent User Modeling Interfaces.

Mercan Topkara, Justin D. Weisz, Shimei Pan, Jie Lu, Jennifer C. Lai

Proceedings of the 3rd Workshop on Data-Driven User Behavioral Modeling and Mining from Social Media, 2014

2012

How Multimedia in Enterprise Social Networks Matters to People's Performance.

Zhen Wen, Mercan Topkara, Liangliang Cao, Ching-Yung Lin, Jennifer C. Lai

Proceedings of the 2012 IEEE International Conference on Multimedia and Expo Workshops, 2012

In case you missed it: benefits of attendee-shared annotations for non-attendees of remote meetings.

Mukesh Nathan, Mercan Topkara, Jennifer C. Lai, Shimei Pan, Steve Wood, Jeff Boston, Loren G. Terveen

Proceedings of the CSCW '12 Computer Supported Cooperative Work, 2012

"You've got video": increasing clickthrough when sharing enterprise video with email.

Mercan Topkara, Shimei Pan, Jennifer C. Lai, Ahmet Dirik, Steve Wood, Jeff Boston

Proceedings of the CHI Conference on Human Factors in Computing Systems, 2012

2011

Visualizing meetings as a graph for more accessible meeting artifacts.

Yurdaer N. Doganata, Mercan Topkara

Proceedings of the International Conference on Human Factors in Computing Systems, 2011

2010

FALCON: seamless access to meeting data from the inbox and calendar.

Peter Bjellerup, Karl J. Cama, Mukundan Desikan, Yi Guo, Ajinkya Kale, Jennifer C. Lai, Nizar Lethif, Jie Lu, Mercan Topkara, Stephan H. Wissel

Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

2009

Tags, micro-tags and tag editing: improving internet search.

Bernice E. Rogowitz, Mercan Topkara

Proceedings of the Human Vision and Electronic Imaging XIV, 2009

Collaborative editing of micro-tags.

Mercan Topkara, Bernice E. Rogowitz, Steve Wood, Jeff Boston

Proceedings of the 27th International Conference on Human Factors in Computing Systems, 2009

2007

New designs for improving the efficiency and resilience of natural language watermarking

Mercan Topkara

PhD thesis, 2007

Passwords for Everyone: Secure Mnemonic-based Accessible Authentication.

Umut Topkara, Mercan Topkara, Mikhail J. Atallah

Proceedings of the 2007 USENIX Annual Technical Conference, 2007

Information hiding through errors: a confusing approach.

Mercan Topkara, Umut Topkara, Mikhail J. Atallah

Proceedings of the Security, Steganography, and Watermarking of Multimedia Contents IX, 2007

Passwords decay, words endure: secure and re-usable multiple password mnemonics.

Umut Topkara, Mikhail J. Atallah, Mercan Topkara

Proceedings of the 2007 ACM Symposium on Applied Computing (SAC), 2007

2006

Natural language watermarking: Challenges in building a practical system.

Mercan Topkara, Giuseppe Riccardi, Dilek Hakkani-Tür, Mikhail J. Atallah

Proceedings of the Security, Steganography, and Watermarking of Multimedia Contents VIII, 2006

Attacks on lexical natural language steganography systems.

Cüneyt M. Taskiran, Umut Topkara, Mercan Topkara, Edward J. Delp

Proceedings of the Security, Steganography, and Watermarking of Multimedia Contents VIII, 2006

The hiding virtues of ambiguity: quantifiably resilient watermarking of natural language text through synonym substitutions.

Umut Topkara, Mercan Topkara, Mikhail J. Atallah

Proceedings of the 8th workshop on Multimedia & Security, 2006

2005

Natural language watermarking.

Mercan Topkara, Cüneyt M. Taskiran, Edward J. Delp

Proceedings of the Security, Steganography, and Watermarking of Multimedia Contents VII, 2005

ViWiD : Visible Watermarking Based Defense Against Phishing.

Mercan Topkara, Ashish Kamra, Mikhail J. Atallah, Cristina Nita-Rotaru

Proceedings of the Digital Watermarking, 4th International Workshop, 2005

2004

Private collaborative forecasting and benchmarking.

Mikhail J. Atallah, Marina Bykova, Jiangtao Li, Keith B. Frikken, Mercan Topkara

Proceedings of the 2004 ACM Workshop on Privacy in the Electronic Society, 2004

A hierarchical protocol for increasing the stealthiness of steganographic methods.

Mercan Topkara, Umut Topkara, Mikhail J. Atallah, Cüneyt M. Taskiran, Eugene T. Lin, Edward J. Delp

Proceedings of the 6th workshop on Multimedia & Security, 2004

2002

Natural Language Watermarking and Tamperproofing.

Mikhail J. Atallah, Victor Raskin, Christian Hempelmann, Mercan Karahan, Radu Sion, Umut Topkara, Katrina E. Triezenberg

Proceedings of the Information Hiding, 5th International Workshop, 2002