activity
20162023
most citedWorldKG: A World-Scale Geographic Knowledge Graph

86 citations · 370 across the 27 of their papers we have counts for

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Showing cs.CLShow all

7 papers · 1 filter

cs.CL2022

QuoteKG: A Multilingual Knowledge Graph of Quotes

Tin Kuculo, Simon Gottschalk, Elena Demidova

Quotes of public figures can mark turning points in history. A quote can explain its originator's actions, foreshadowing political or personal decisions and revealing character tra…

cs.CL2020★ 49 cited

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…

cs.CL2019

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…

cs.CL2019★ 25 cited

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…

cs.CL2018

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…

cs.CL2018★ 22 cited

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…

cs.CL2017★ 3 cited

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…