86 citations · 163 across the 8 of their papers we have counts for
6 papers · 1 filter
Event-QA: A Dataset for Event-Centric Question Answering over Knowledge Graphs
Tarcísio Souza Costa, Simon Gottschalk, Elena Demidova
Semantic Question Answering (QA) is a crucial technology to facilitate intuitive user access to semantic information stored in knowledge graphs. Whereas most of the existing QA sys…
EventKG - the Hub of Event Knowledge on the Web - and Biographical Timeline Generation
Simon Gottschalk, Elena Demidova
One of the key requirements to facilitate the semantic analytics of information regarding contemporary and historical events on the Web, in the news and in social media is the avai…
MultiWiki: Interlingual Text Passage Alignment in Wikipedia
Simon Gottschalk, Elena Demidova
In this article we address the problem of text passage alignment across interlingual article pairs in Wikipedia. We develop methods that enable the identification and interlinking…
EventKG: A Multilingual Event-Centric Temporal Knowledge Graph
Simon Gottschalk, Elena Demidova
One of the key requirements to facilitate semantic analytics of information regarding contemporary and historical events on the Web, in the news and in social media is the availabi…
Unsupervised Open Relation Extraction
Hady Elsahar, Elena Demidova, Simon Gottschalk +2
We explore methods to extract relations between named entities from free text in an unsupervised setting. In addition to standard feature extraction, we develop a novel method to r…
Analysing Temporal Evolution of Interlingual Wikipedia Article Pairs
Simon Gottschalk, Elena Demidova
Wikipedia articles representing an entity or a topic in different language editions evolve independently within the scope of the language-specific user communities. This can lead t…