@article{icrawlimprovingthefreshnessofweb,
  title = {iCrawl: Improving the Freshness of Web Collections by Integrating Social Web and Focused Web Crawling},
  author = {Gossen Gerhard and Demidova Elena and Risse Thomas},
  year = {2016},
  eprint = {1612.06202},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.06202v1},
}