August 2015
Intermediate to advanced
216 pages
4h 50m
English
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Querying a social website's data
Assume that you run a social networking website. On such a website, your users might be have "friendly" relations with other users. Besides, you have access to some data related to their behavior, such as information about what items they've bought from your website.
The goal of this recipe is to capture these relationships and behavior-related data, so that we are able to derive interesting facts out of them. As it turns out, it is possible in core.logic to specify facts that are relations between data and to query these relations in goals.
In the following section, we will answer the questions: who are a given user's friends? Who is reachable from a user's network? What did someone's friend buy? You'll even see ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.