Monthly Archives: March 2008


Why do you do it that way? (or, design rationale)

Yesterday I was explaining to some librarians how Evergreen relates Items (the actual physical barcoded material that circulates) to Volumes (where the Call Number lives) to Bib Records (which contains the MARC), and one person was curious and asked, “why do you do it that way?” The short answer is […]


Congrats to not one, but two other Open Source ILSs

First I’d like to welcome NewGenLib to the virtual family of FOSS ILSs. In truth, we’ve known about them for a while and have been looking at their serials interfaces during our ACQ/SER design, but now that eIFL is covering them, well… 😉 It’s great to see another entrant, and […]


Laundry List

It’s been a while, but here’s just some of what I’ve personally been doing during this latest stretch of radio silence: In-database circulation permit calculation — ~5ms instead of ~100ms for arbitrarily complex circ rules In-database hold permit calculation — ~5ms, down from about 50ms In-database relevance rank adjustments — […]