References

Ahrens, Sönke. 2017. How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking: For Students, Academics and Nonfiction Book Writers. North Charleston, SC: CreateSpace.
Luhmann, Niklas. 1982. “Kommunikation mit Zettelkiisten.” In Öffentliche Meinung und sozialer Wandel: Für Elisabeth Noelle-Neumann = Public opinion and social change, edited by Horst Baier and Elisabeth Noelle-Neumann, 222–28. Opladen: Westdeutscher Verlag.
Ramsay, Stephen. 2011. Reading Machines: Toward an Algorithmic Criticism. Topics in the Digital Humanities. Urbana, IL: University of Illinois Press.
Schmidt, Johannes F. K. 2014. “Der Nachlass Niklas Luhmanns – eine erste Sichtung: Zettelkasten und Manuskripte.” Soziale Systeme 19 (1): 167–83. https://doi.org/10.1515/sosys-2014-0111.
———. 2016. “Niklas Luhmann’s Card Index: Thinking Tool, Communication Partner, Publication Machine.” In Forgetting Machines: Knowledge Management Evolution in Early Modern Europe, 287–311. Leiden: Brill. https://doi.org/10.1163/9789004325258_014.
———. 2018. “Niklas Luhmann’s Card Index: The Fabrication of Serendipity.” Sociologica 12 (1, 1): 53–60. https://doi.org/10.6092/issn.1971-8853/8350.
Spärck Jones, Karen. 1972. “A Statistical Interpretation of Term Specificity and Its Application in Retrieval.” Journal of Documentation 28 (1): 11–21. https://doi.org/10.1108/eb026526.

  1. NB: this is done on https://github.com); forking means creating your own copy of some one’s repository at that specific moment in time↩︎

  2. Matches are highlighted: at, hat, that, atlas, aft, Athens.↩︎

  3. Matches are highlighted: that, at, chat, cat, fat, phat.↩︎

  4. Matches are highlighted: 501-1234, 234 1252, 652.2648, 713-342-7452, PE6-5000, 653-6464x256.↩︎

  5. ar?t matches “at” and “art” but not “arrrt”; a[fr]?t matches “at”, “art”, and “aft”; ar*t matches “at”, “art”, and “arrrrt”; ar+t matches “art” and “arrrt” but not “at”; a.*t matches anything with an ‘a’ eventually followed by a ‘t’.↩︎

  6. Solution: Simply connect all toponyms from the list with a pipe symbol “|”↩︎

  7. Solution 1: \b([\w ]+) \(Lower Austria\) — for Lower Austria; \b([\w ]+) \(Salzburg\) — for Salzburg; Solution 2 (cooler): \b([\w ]+)(?=( \(Lower Austria\))) — for Lower Austria; \b([\w ]+)(?=( \(Salzburg\))) — for Salzburg.↩︎