19 citations · 41 across the 5 of their papers we have counts for
5 papers
Extracting Event-Centric Document Collections from Large-Scale Web Archives
Gerhard Gossen, Elena Demidova, Thomas Risse
Web archives are typically very broad in scope and extremely large in scale. This makes data analysis appear daunting, especially for non-computer scientists. These collections con…
Semantic URL Analytics to Support Efficient Annotation of Large Scale Web Archives
Tarcisio Souza, Elena Demidova, Thomas Risse +3
Long-term Web archives comprise Web documents gathered over longer time periods and can easily reach hundreds of terabytes in size. Semantic annotations such as named entities can…
iCrawl: Improving the Freshness of Web Collections by Integrating Social Web and Focused Web Crawling
Gerhard Gossen, Elena Demidova, Thomas Risse
Researchers in the Digital Humanities and journalists need to monitor, collect and analyze fresh online content regarding current events such as the Ebola outbreak or the Ukraine c…
The iCrawl Wizard -- Supporting Interactive Focused Crawl Specification
Gerhard Gossen, Elena Demidova, Thomas Risse
Collections of Web documents about specific topics are needed for many areas of current research. Focused crawling enables the creation of such collections on demand. Current focus…
Analyzing Web Archives Through Topic and Event Focused Sub-collections
Gerhard Gossen, Elena Demidova, Thomas Risse
Web archives capture the history of the Web and are therefore an important source to study how societal developments have been reflected on the Web. However, the large size of Web…