An important post from Dave Pattern about discovery services and search. I especially like the focus on looking at your analytics and taking them to the next level (for example cost per use of digital resources declining a lot and the ratio of physical to digital format access)... Read: Dave Pattern's
Relevancy Rules
Dave Pattern says:
OK, so why am I ranting on about all this stuff? It's simply because I've been pulling out some usage stats from our Summon instance…
- The library's print collection accounts for just 0.3% of the items, but accounts for 10.3% of the result clicks — I think our users are trying to tell us that they think our OPAC sucks and they'd rather use Summon to search for books
- 89% of the results clicked on appeared on the first page of results — as with Google, users rarely delve any further the page 1 of the results
- Only 2% of result clicks came from beyond the 4th page of the results — very few users will explore the long tail of results
- 50.5% of result clicks were for the first 4 results on page 1 — the majority of users won't even bother to scroll down the page!
- 72.3% of searches used 3 keywords or less — students are using their Google skills
- Since launching Summon, we've seen increases of 300% to 1000% in the COUNTER full-text download stats for many of the journal platforms we subscribe to — although "cost per use" can be a crude measure, we're getting much better value out of our e-resource subscriptions now. Continue reading: Relevancy Rules in Self-plagiarism is style, Dave Pattern's blog
On the same shelf (Discovery Services aka Federated Search):