<html><head></head><body bgcolor="#FFFFFF"><div><br><br><br></div><div><br>Begin forwarded message:<br><br></div><blockquote type="cite"><div><b>From:</b> Katie Ellis <<a href="mailto:kellis@cs.ucsb.edu">kellis@cs.ucsb.edu</a>><br><b>Date:</b> September 10, 2012 2:48:29 PM PDT<br><b>To:</b> <a href="mailto:grads@cs.ucsb.edu">grads@cs.ucsb.edu</a>, <a href="mailto:faculty@cs.ucsb.edu">faculty@cs.ucsb.edu</a><br><b>Subject:</b> <b>[FACULTY] PhD Defense - Svetlin Bostandjiev</b><br><br></div></blockquote><div></div><blockquote type="cite"><div>
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<big>PhD Defense<br>
Svetlin Bostandjiev<br>
Wednesday, September 19, 2012<br>
3:00 PM<br>
Harold Frank Hall 1132</big><br>
<br>
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mso-fareast-theme-font:minor-fareast;color:black">Committee: </span><span style="font-size:14.0pt;mso-bidi-font-size:12.0pt;font-family:"Times
New Roman";
color:black">Tobias </span><span style="font-size:14.0pt;mso-bidi-font-size:
12.0pt;font-family:"Times New Roman"">H<span style="background:white">ö</span>llerer<span style="color:black"> (chair), Divyakant Agrawal, Xifeng Yan,
John O’Donovan <o:p></o:p></span></span></p>
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font-family:"Times New Roman""><o:p> </o:p></span></p>
<pre style="margin-top:.1pt;margin-right:0in;margin-bottom:.1pt;margin-left:
0in"><span style="font-size:14.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman"">Title: Bridging Social and Semantic Computing -- Design and Evaluation of User Interfaces for Hybrid Systems<o:p></o:p></span></pre>
<pre style="margin-top:.1pt;margin-right:0in;margin-bottom:.1pt;margin-left:0in"><span style="font-size:14.0pt;mso-bidi-font-size:10.0pt;font-family:"Times New Roman""><o:p> </o:p></span></pre>
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mso-fareast-theme-font:minor-fareast;color:black">Abstract:<o:p></o:p></span></p>
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229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt
595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-size:14.0pt;mso-bidi-font-size:12.0pt;font-family:"Times
New Roman"">The
evolution of the Web brought new interesting problems to
computer scientists in
the fields of social and semantic computing. Social computing is
related to two
major paradigms: computations carried out by a large amount of
people in a
collective intelligence fashion (i.e. wikis), and performing
computations on
social networks (i.e. social network analysis). On the other
hand, semantic
computing focuses on assigning meaning to data and enabling
computers to
process and integrate it (i.e. natural language processing, data
mining, etc.).
This dissertation delves into the intersection of social and
semantic
computing. We present new hybrid techniques showing how the two
domains benefit
each other or are used together to produce better content. These
synergistic
techniques introduce an extra level of complexity that can be
alleviated by
intelligent user interfaces. User interfaces not only increase
the transparency
and explanation in systems where social and semantic computing
are used
together, but also serve as input modalities that additionally
boost the
quality of the content produced by the hybrid techniques. We
exemplify our
contributions with three case studies of novel user interfaces
that utilize
social and semantic computing.<o:p></o:p></span></p>
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595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-size:14.0pt;mso-bidi-font-size:12.0pt;font-family:"Times
New Roman""><o:p> </o:p></span></p>
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595.4pt 641.2pt 687.0pt 732.8pt"><span style="font-size:14.0pt;mso-bidi-font-size:12.0pt;font-family:"Times
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Welcome. <o:p></o:p></span></p>
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<pre class="moz-signature" cols="72">--
Katie Ellis
Graduate Advisor
Department of Computer Science
University of California at Santa Barbara
(805) 893-4322
<a class="moz-txt-link-abbreviated" href="mailto:kellis@cs.ucsb.edu">kellis@cs.ucsb.edu</a> </pre>
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