CIKM 2016

Document Filtering for Long-tail Entities

Filtering relevant documents with respect to entities is an essential task in the context of knowledge base construction and maintenance. It entails processing a time-ordered stream of documents that might be relevant to an entity in order to select only those that contain vital information. State-of-the-art approaches to document filtering…
linking open data datasets

Zoekmachines van de toekomst

Er bestaat enige discussie over wat de logische opvolger zal zijn van web 2.0, waarin user-generated content, het delen van informatie en interoperabiliteit centraal stonden. Hoewel meer ideeën de ronde doen, is er veel steun voor het idee web 3.0 gelijk te stellen aan het semantische web. Het sturende idee…
Research on Twitter

Adding Semantics to Microblog Posts

Microblogs have become an important source of information for marketing, intelligence, and reputation management purposes. Streams of microblogs are of great value because of their direct and real-time nature. Determining what an individual microblog post is about, however, can be non-trivial because of creative language usage, the highly contextualized and…
Twitter standing

A comparison of five semantic linking algorithms on tweets

Late last December, Yahoo! released a new version of their Content Analysis service and they announced that the initial version will be deprecated in 2012. Inspired by a recent post by Tony Hirst, entitled A Quick Peek at Three Content Analysis Services, this seemed like a perfect opportunity to test…
Research on Twitter

Dataset for “Adding Semantics to Microblog Posts”

As promised, I’m releasing the dataset used for my WSDM paper, Adding Semantics to Microblog Posts (with Wouter Weerkamp and Maarten de Rijke). In the paper, we evaluate various methods for automatically identifying concepts (in the form of Wikipedia articles) that are contained in or meant by a tweet. This…