This is a very labor-intensive process and the quality of records is often uneven. Certain fields are necessary to ensure that our search and discovery tools work properly. We have to undertake considerable checking and editing, keeping track of what edits we make to each content provider’s records so that we can quickly customize updates. Sometimes, records lack a unique ID so we can’t do simple overlay updates—we have to delete all the records in the ILS for that vendor, and load a whole new file. Even when we do get records, we often can’t share them, for example with union databases, which we use to maximize visibility of our content. That’s a real drawback