Grant’s Grunts: Lucene Edition

ApacheCon – Session. Slides from my talk at ApacheCon are up at the link above.

The ASF is ten years old today! : The Apache Software Foundation Blog. Congrats to the ASF!

Interview with Mike Klaas | Lucid Imagination. Looks like my interview with Solr committer Mike Klaas is up.  Check it out, some interesting discussion about Worio‘s use of Solr and also some discussion on machine learning in the context of search.

Seems to be a flurry of release activity in Lucene these days: Lucene Java just released 2.4.1 Nutch is in the process of releasing 1.0 Mahout is working 0.1 Solr 1.4 can’t be too far behind, I hope Good things are happening!

k-means and other EM-like algorithms are trivial to parallelize because all the heavy computations in the inner loops are independent. via Speeding up K-means Clustering with Algebra and Sparse Vectors « LingPipe Blog. This is exactly what Apache Mahout does.  We have parallelized versions of a bunch of clustering algorithms, including k-means

Search Wizards Speak: Marc Krellenstein of Lucid Imagination :: ArnoldIT. Steve Arnold has a nice interview with the CTO of Lucid, Marc Krellenstein up on his website.

Hadoop, Analytical Software, Finds Uses Beyond Search – NYTimes.com. Nice writeup on Hadoop in the NYT today.  Of course, Hadoop is often used to power machine learning, too, which is the premise behind using it on Apache Mahout.

Just a reminder that Erik and I are offering Lucene and Solr training at ApacheCon Europe next week.  My class is a 2-day hands-on training on Lucene designed to get you up and working with Lucene and provide  information about where to go next.  Erik’s class is a 1-day session on getting up and running [...]

Lucid Imagination » Lucene in Action, 2nd edition, available! You can get 40%of Lucene In Action 2 by using the code Erik provided in the link above.

LuceneMeetupMarch2009 – Lucene-java Wiki Looks like an interesting crowd is forming for the Lucene meetup at ApacheCon EU this year.  Even if you aren’t attending the conference, you can still go to the Meetup.  We’ve got a lot of the Lucene ecosystem projects covered by the looks of it: Lucene, Solr, Mahout, Tika, Droids.  Hope [...]