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4 days ago · Wikidata provides a query service based on SPARQL. Below shows an example query for finding all items which are subclasses of religious objects (wd:Q21029893). The query after SERVICE is for retrieving item labels in English. We denote such a query by a function subclass(i), which returns a set of all Wikidata items that are subclasses of i.
3 days ago · One can use Wikidata itself as a knowledge graph or just the Wikibase software, allowing one to develop library-specific data models and entity relationships. On the network level, there are already some examples of exploratory work. For example, Project Passage, a linked data Wikibase sandbox put together by OCLC Research allowed 16 ...
1 day ago · À propos. Il y a 2 heures 7 juin 2024 Jean-Frédéric. 100,000 video games on Wikidata. Wikidata’s WikiProject Video games has just passed a major milestone: 100,000 video game (Q7889) items on Wikidata. Like we did for the 50K milestone exactly two years ago, let’s use that opportunity to draw a quick mid-year report (and with the very ...
5 days ago · We insert each (s, r 𝑠 𝑟 s,r italic_s , italic_r) pair into the appropriate SPARQL template, and retrieve the Wikidata ID and NL label of the gold answer using the Wikidata Query Service API(Algorithm 1, lines 8-9). Note that questions are annotated for two different timestamps.
2 days ago · Many lessons have been learned along the way, and lots of these lessons are built into labels, as they are known and used on Items on Wikidata. For example, in order to integrate with the many tools MediaWiki provides, it needs to be able to format a link to something like Q64 , to something human-readable, such as “Berlin”.
2 days ago · MediaWiki supports Squid, load-balanced database replication, client-side caching, memcached or table-based caching for frequently accessed processing of query results, a simple static file cache, feature-reduced operation, revision compression, and a job queue for database operations.
2 days ago · Hence, it might make sense to group all HQL and SQL in one place and use only their reference in the actual data access code. Fortunately, Hibernate allows us to do this with named queries. A named query is a statically defined query with a predefined unchangeable query string.
