Yiming Liu

Research Interests

Collaborative systems, social computing, location-based services

Education

Publications

• Yiming Liu, Rui Yang and Erik Wilde, Open and Decentralized Access across Location-Based Services, 20th International World Wide Web Conference (WWW2011), Hyderabad, India, March 2011.
• Yiming Liu and Erik Wilde, Personalized Location-Based Services, iConference 2011, Seattle, Washington, February 2011.
• Yiming Liu and Erik Wilde. "Scalable and Mashable Location-Oriented Web Services". 10th International Conference on Web Engineering (ICWE 2010) Vienna, Austria, July 2010
• David A. Shamma and Yiming Liu. Zync with me: synchronized sharing of video through instant messaging. Chapter in Social Interactive Television: Immersive Shared Experiences and Perspectives. Hershey, PA: IGI Global. Winter 2009.
• Erik Wilde, Yiming Liu. Lightweight Linked Data. The 2008 IEEE International Conference on Information Reuse and Integration.
• David A. Shamma, Marcello Bastea-Forte, Niels Joubert, Yiming Liu. Enhancing online personal connections through the synchronized sharing of online video. CHI 2008 Works in Progress.
• Yiming Liu, Ruchi Kumar, Kevin Lim. Taggers vs Linkers: Comparing Tags and Anchor Text of Web Pages. UCB iSchool Report 2008-20, ISD Symposium 2008
• Yiming Liu, David A. Shamma, Peter Shafton, Jeannie Yang. Zync: the Design of Synchronized Video Sharing. Conference on Designing for User Experience (DUX) 2007.
• David A. Shamma, Ryan Shaw, Peter Shafton, Yiming Liu. Watch what I watch: Using Community Activity To Understand Content. In Proceedings of the Workshop on Multimedia Information Retrieval (MIR): Special Session on Semantic Indexing of Consumer and Web Videos. ACM MM 07.
• Yiming Liu. IPR in Development. UCB iSchool Report 2007-11, ISD Symposium 2007

Significant software

• GeoFeeds
  • Platform for open and mashable location-based services
  • Co-developed with Prof. Erik Wilde
• Popcuts
  • Startup music venture based on economic incentive engine
  • Y Combinator funded company
  • Winner of 2009 SXSW Accelerator in the Music category
• SelfSolved
  • a community repository for common problems and solutions
• Buy Music, Make Money
  • economic incentive model and prototype system for digital music distribution
  • 2008 James R. Chen award for Outstanding Master's Project
• Zync (Yahoo! Research Berkeley)
  • Yahoo! Messenger add-on to enable synchronized music and video sharing
  • Built into Yahoo! Messenger 9 beta and above. Multiple peer-reviewed publications arising from data analysis.
• Perspectives (Yahoo! Research Berkeley)
  • Citizen-journalism web services/application handled upload, processing, and aggregation of geo-tagged video from personal cellphones. Associated user-generated videos with news video from CNN based on location data.
  • Voted as one of the top 10 hacks at Yahoo! Internal Hack Day (Summer 2007).
• We the News
  • Blog sentiment analysis for current events.
• DocPreview
  • A browser plug-in for Safari to view Word documents
• NAT-PMP.py
  • A Python library for dynamic port forwarding / NAT traversal on NAT-PMP routers

Work

Ark.com, a second Y Combinator startup. Designed and implemented backend platform and internal web services

Co-founder -- Popcuts.com, an incentive-based music store, a Y Combinator startup. Designed and implemented e-commerce and incentive system from ground up. Led engineering and responsible for technical decision-making (2008-2010)

Technical/researcher -- Yahoo! Research Berkeley. Researched and developed prototypes on the Media and Community team. (2006-2007)

Graduate Research Assistant -- the Information and Service Design Clinic under Professor Erik Wilde and Dr. Eric Kansa (2007-2008).

TA -- for INFO 202 - Information Organization and Retrieval (Fall 2007)

• Slides for my mini-lecture on video information retrieval

For full history on the rest, see my curriculum vitae.

Skills

Programming Languages (in descending order of proficiency):

Python, C, Objective-C, Ruby (Ruby on Rails), PHP, C++, Perl, C#, Matlab, Java, IA32 assembly, Common Lisp, Scheme

Other Languages:

XML/XSLT/XPath/XQuery, XHTML

Databases:

MySQL, Oracle, Postgres/PostGIS

Operating Systems:

Mac OS X, Linux (Redhat/Fedora), Windows, Unix (Solaris)

Misc.

• Paper: Selling Bytes: an overview of issues in digital and virtual goods
  • working paper on non-tangible goods

• Paper: Sociable P2P
• Mini-talk slides: Sociable peers in P2P (HTML)

• Paper: MailHistory - toward social translucence in email
• Mini-talk slides: MailHistory: email analytics for collaboration support (HTML)

• Paper: Taggers versus Linkers: comparing tags from del.icio.us with anchor texts from blogs (PDF)
• Mini-talk slides: Forthcoming (PPT)

• Project: We the News (HTML) - opinion-finding

• Paper: IPR in Development (UCB 2007-011) (offsite)