this post was submitted on 21 Feb 2024
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Too bad the Mozilla foundation didn't pivot to that instead of whatever the hell they're doing with AI
Truly. I wonder if ActivityPub could be utilized to create a resilient search engine that shares the cost among federated instances. We already have something like that in Lemmy and Mastodon where federated data can be search from any instance. If the data is pages crawled by some automatic crawler which is then federated across instances which in turn allow to search through it, perhaps it might resemble a search engine. Page ranking beyond text matching could even be done by peoples up/down votes instead of some arbitrary algorithm. Similar to how voting works on StackExchange or Lemmy. ๐ค I'm sure someone is thinking about this.
The answer to your question is no, federation is not an appropriate model for internet scale search.
Just to be clear, what I'm referring to here is that a search would occur on a single instance. E.g. searches on lemmy.world occur on the lemmy.world instance, and load lemmy.world's servers. The federated part is in the building the database on lemmy.world. E.g. a crawler or a user on lemmy.ca adds a new web site and that record is federated to lemmy.world to add to its database. Another user on feddit.de upvotes a search result and that upvote is federated to lemmy.world so that the search result shows higher for users searching on lemmy.world. In this kind of model individual search instances could in fact be very large based on their usage. If there's no limit to what's federated, that would put a lower bound on the size of instances. If there's a limit (something dumb like federate only search records for *.fr domains) then that would allow for smaller instances that don't have the compute and storage for the complete index.