Changing Bits

It's that cold time of year again -- that's right, winter ! We have lots of snow, freezing temperatures, and... incredible icicles ...

If you've ever wondered how Lucene picks segments to merge during indexing, it looks something like this: That video displays segment me...

In my last post , I described a cool incremental algorithm for building an FST from pre-sorted input/output pairs, and how we're foldin...

FSTs are finite-state machines that map a term (byte sequence) to an arbitrary output. They also look cool: That FST maps the sorted words...

I just watched this talk by Tom Naughton , describing the mis-steps and bad science over the years that have tricked us all into believing w...

I just came across this great article about meta-researcher Dr. John Ioannidis. Here's the summary: Much of what medical researchers c...

I finally pulled the pics off my camera from last week's BBQ after Lucene Revolution in Boston, where much fun was had! See them here ....

The Lucene Revolution conference just wrapped up yesterday. It was well attended (~300 or so people). It was great fun to hear about all ...

Inspired by this question on the Lucene user's list, I created a new codec in Lucene called the SimpleText codec. The best ideas come ...

Modern electric meters (the one attached to the outside of your house) emit an IR flash for each watt-hour consumed, through the port on the...

Wikipedia periodically exports all of the content on their site, providing a nice corpus for performance testing. I downloaded their most r...

Sometimes it's really important to get localization right!