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Monthly Archives: July 2011

Minerazzi Crawler and Whois Updates: Email Addresses, Reverse DNS, IPv4 Mapping, Navigation

11 Monday Jul 2011

Posted by egarcia in Data Mining, Homeland Security, IR Quizzes, Machine Learning, Programming, Software

≈ Leave a Comment

We keep improving the Minerazzi site (
http://www.minerazzi.com
). We moved all pages to a php format. In addition, here are recent changelogs for the Web Crawler (
http://www.minerazzi.com/labs/crawlinker.php
):

07-05-11: Email address extraction, deduplication, and sorting capabilities added.
07-04-11: Design and copy changes.
07-03-11: Navigation menu restored and bug fixed.
07-03-11: Navigation menu removed to test bug.
07-02-11: Top-bottom quick navigation menu added.
07-02-11: Day/Time Stamp, Reverse DNS, and IPv4 List capabilities added.
07-02-11: Integration to Whois Tool.

The Whois Database Retriever (
http://www.minerazzi.com/labs/whois.php
) now features suffix/prefix stripping capabilities. This means that users only need to enter a candidate domain name without any alias or extension and the tool scans multiple registrar databases. We expect to add some additional features to this time-saving application.

In the meantime, we keep beta testing the engine. Our staff of ‘miners’ are doing just a great job.

A Tutorial on Okapi BM25

01 Friday Jul 2011

Posted by egarcia in IR Tutorials, Queries

≈ 4 Comments

We have uploaded a new tutorial: Okapi BM25. See
http://www.miislita.com/information-retrieval-tutorial/okapi-bm25-tutorial.pdf

This is a tutorial on the classic Okapi Best Match 25.

Enjoy it.

 

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