Lorcan Dempsey’s weblog: Metadata and Heraclitus. I’m always delighted to see any reference to early Greek philosophy and this one is very apt. Loprcan Dempsey suggests that we need to stop thinking of library collections as “lakes” – stable repositories fed by a few recognisable sources, and more like “rivers” in a constant state of flux. This affects the way we approach cataloguing and metadata and he gives some insightful examples.