added hCalendar

diff --git a/media/wsdm09-Jeff_Dean/hCalendar.html b/media/wsdm09-Jeff_Dean/hCalendar.html
new file mode 100644 (file)
index 0000000..ba1c46b
--- /dev/null
+++ b/media/wsdm09-Jeff_Dean/hCalendar.html
@@ -0,0 +1,19 @@
+<!-- http://microformats.org/wiki/hcalendar-cheatsheet -->
+<div class="vevent">
+ <span class="organiser">
+Jeffrey Dean
+ </span>
+ <span class="summary">
+Challenges in Building Large-Scale Information Retrieval Systems
+ </span>
+ <a class="url" href="http://videolectures.net/wsdm09_dean_cblirs/">Second ACM International Conference on Web Search and Data Mining</a>,
+ <span class="location">Barcelona</span>
+ <abbr class="dtstart" title="2008-10-19">Wed Nov. 19th</abbr>
+ <div class="description">
+Building and operating large-scale information retrieval systems used by hundreds of millions of people around the world provides a number of interesting challenges. Designing such systems requires making complex design tradeoffs in a number of dimensions, including (a) the number of user queries that must be handled per second and the response latency to these requests, (b) the number and size of various corpora that are searched, (c) the latency and frequency with which documents are updated or added to the corpora, and (d) the quality and cost of the ranking algorithms that are used for retrieval.
+<p>
+In this talk I'll discuss the evolution of Google's hardware infrastructure and information retrieval systems and some of the design challenges that arise from ever-increasing demands in all of these dimensions. I'll also describe how we use various pieces of distributed systems infrastructure when building these retrieval systems.
+<p>
+Finally, I'll describe some future challenges and open research problems in this area.
+ </div>
+</div>