A Week before Greatness

I just came from ICANN. Yesterday I attended Paul Twomey and Vint Cerf, Google’s Chief Evangelist presentations at the Law …

Research Channel, LRA, Microsoft, and more

I forget to mention that I’m attending ICANN this week, so most will be legacy posts –straight from the conference. …

On Recall, Precision, and Relevance

Two important concepts for estimating the retrieval performance of search systems are recall (R) and precision (P). In laymen terms, …

ICANN, Vint Cerf, and Paul Twomey in Puerto Rico

Next week is ICANN’s 29th International Public Meeting; 25-29 June, 2007, here in beautiful San Juan, Puerto Rico. As part …

IR Relevance vs. Suggestion Task Relevance

This is a great topic for a graduate thesis: Traditional IR considers the problem of matching documents to a query …

Closeness, Proximity, Similarity, and Distance

Often a distinction between the terms given in the title of this post is not clear in the literature. Closeness …

Mining End User Locations

Ever wonder how to conduct data mining from end user locations? This is easier to do than you think. At …

Data Mining for All Disciplines

It looks like I’ll be teaching this Fall a graduate course on Data Mining (DM) for CS and Business students. …

On n-Grams and IR Theses

A grad student asked me about n-grams in IR as a thesis topic. What are n-grams Well, most of the modern …

Ontologies as Expectations of Co-Occurrence

Title: Altering Document Term Vectors for Classification – Ontologies as Expectations of Co-occurrence Authors: Meenakshi Nagarajan, Amit Sheth; LSDIS Lab, …