Obituary: Frank Yates

Frank Yates - 12 May 1902--17 June 1994.

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Stephanie Yates

Numbers are present in every aspect of our daily lives. Whether we are making a phone call on our cell phones, calculating the waiter’s tip at dinner or counting pairs of socks to make sure none of them disappeared in the laundry the use of numbers is evident. It is easy to take them for granted considering how prevalent they are in the world today. But this wasn’t always the case. In fact numb...

Ricardo Baeza - Yates Julien

Time is an important dimension of any information space. It can be very useful for a wide range of information retrieval tasks such as document exploration, similarity search, summarization, and clustering. Traditionally, information retrieval applications do not take full advantage of all the temporal information embedded in documents to provide alternative search features and user experience....

Obituary

Ricardo Baeza - Yates

The XML Fragment model offers a convenient formalism for querying XML collections "by example", that is, by formulating the query as a piece of XML that expresses the user's needs. This allows relevant results to be returned either as full documents or as XML Fragments, using a simple extension of the vector space model for ranking. In this work, we investigate extending this model to text anal...