{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,24]],"date-time":"2025-08-24T01:44:12Z","timestamp":1755999852782,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":36,"publisher":"ACM","license":[{"start":{"date-parts":[[2018,9,10]],"date-time":"2018-09-10T00:00:00Z","timestamp":1536537600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"name":"BMBF (German Ministry of Research and Education)","award":["01IS16042H"],"award-info":[{"award-number":["01IS16042H"]}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2018,9,10]]},"DOI":"10.1145\/3233027.3233032","type":"proceedings-article","created":{"date-parts":[[2018,9,20]],"date-time":"2018-09-20T12:37:00Z","timestamp":1537447020000},"page":"54-64","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":18,"title":["Identifying the intensity of variability changes in software product line evolution"],"prefix":"10.1145","author":[{"given":"Christian","family":"Kr\u00f6her","sequence":"first","affiliation":[{"name":"University of Hildesheim, Hildesheim, Germany"}]},{"given":"Lea","family":"Gerling","sequence":"additional","affiliation":[{"name":"University of Hildesheim, Hildesheim, Germany"}]},{"given":"Klaus","family":"Schmid","sequence":"additional","affiliation":[{"name":"University of Hildesheim, Hildesheim, Germany"}]}],"member":"320","published-online":{"date-parts":[[2018,9,10]]},"reference":[{"key":"e_1_3_2_1_1_1","first-page":"1","article-title":"The Evolution of the Linux Build System","volume":"8","author":"Adams Bram","year":"2007","journal-title":"Electronic Communications of the European Association of Software Science and Technology"},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.is.2010.01.001"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tcs.2012.01.031"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"crossref","unstructured":"Scott Chacon and Ben Straub. 2014. Pro Git. Apress New York NY USA.   Scott Chacon and Ben Straub. 2014. Pro Git. Apress New York NY USA.","DOI":"10.1007\/978-1-4842-0076-6"},{"key":"e_1_3_2_1_5_1","unstructured":"Corboot. 2017. Coreboot Firmware Platform. https:\/\/www.coreboot.org\/. (2017). Accessed 2018\/02\/22.  Corboot. 2017. Coreboot Firmware Platform. https:\/\/www.coreboot.org\/. (2017). Accessed 2018\/02\/22."},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/2362536.2362544"},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/2901739.2901755"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10270-015-0472-2"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/3106195.3106208"},{"key":"e_1_3_2_1_10_1","unstructured":"Git. 2017. Git Version Control System. https:\/\/git-scm.com\/. (2017). Accessed 2018\/02\/22.  Git. 2017. Git Version Control System. https:\/\/git-scm.com\/. (2017). Accessed 2018\/02\/22."},{"volume-title":"Evolution in Open Source Software: A Case Study. In International Conference on Software Maintenance. IEEE Computer Society","year":"2000","author":"Godfrey Michael Wallace","key":"e_1_3_2_1_11_1"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/2648511.2648542"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/2377816.2377826"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10664-015-9360-1"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jss.2009.09.042"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/2048066.2048128"},{"key":"e_1_3_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1145\/3183440.3183480"},{"key":"e_1_3_2_1_18_1","unstructured":"Christian Kr\u00f6her and Klaus Schmid. 2017. A Commit-Based Analysis of Software Product Line Evolution: Two Case Studies. TR SSE2\/17\/E. University of Hildesheim.  Christian Kr\u00f6her and Klaus Schmid. 2017. A Commit-Based Analysis of Software Product Line Evolution: Two Case Studies. TR SSE2\/17\/E. University of Hildesheim."},{"key":"e_1_3_2_1_19_1","first-page":"2","article-title":"Towards a Better Understanding of Software Product Line Evolution","volume":"37","author":"Kr\u00f6her Christian","year":"2017","journal-title":"Softwaretechnik-Trends"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1145\/2491411.2491437"},{"key":"e_1_3_2_1_21_1","unstructured":"Linux. 2016. Linux Kernel Makefiles. https:\/\/www.kernel.org\/doc\/Documentation\/kbuild\\\/makefiles.txt. (2016). Accessed 2018\/02\/22.  Linux. 2016. Linux Kernel Makefiles. https:\/\/www.kernel.org\/doc\/Documentation\/kbuild\\\/makefiles.txt. (2016). Accessed 2018\/02\/22."},{"key":"e_1_3_2_1_22_1","unstructured":"Linux. 2017. Kconfig Language. https:\/\/www.kernel.org\/doc\/Documentation\/kbuild\\\/kconfig-language.txt. (2017). Accessed 2018\/02\/22.  Linux. 2017. Kconfig Language. https:\/\/www.kernel.org\/doc\/Documentation\/kbuild\\\/kconfig-language.txt. (2017). Accessed 2018\/02\/22."},{"key":"e_1_3_2_1_23_1","unstructured":"Linux. 2017. The Linux Kernel Archives. https:\/\/www.kernel.org\/. (2017). Accessed 2018\/02\/22.  Linux. 2017. The Linux Kernel Archives. https:\/\/www.kernel.org\/. (2017). Accessed 2018\/02\/22."},{"volume-title":"Evolution of the Linux Kernel Variability Model. In 14th International Conference on Software Product Lines: Going Beyond. Springer-Verlag","year":"2010","author":"Lotufo Rafael","key":"e_1_3_2_1_24_1"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1109\/WCRE.2011.46"},{"key":"e_1_3_2_1_26_1","doi-asserted-by":"publisher","DOI":"10.1109\/CSMR.2012.21"},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1002\/smr.1595"},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jss.2015.04.024"},{"key":"e_1_3_2_1_29_1","doi-asserted-by":"publisher","DOI":"10.1145\/2047862.2047869"},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1145\/2377816.2377825"},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1145\/2491627.2491628"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10664-015-9364-x"},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.1145\/2934466.2934482"},{"volume-title":"USENIX Annual Technical Conference. USINEX","year":"2014","author":"Tartler Reinhard","key":"e_1_3_2_1_34_1"},{"key":"e_1_3_2_1_35_1","doi-asserted-by":"publisher","DOI":"10.1145\/1966445.1966451"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1145\/2491627.2491645"}],"event":{"name":"SPLC '18: 22nd International Systems and Software Product Line Conference","acronym":"SPLC '18","location":"Gothenburg Sweden"},"container-title":["Proceedings of the 22nd International Systems and Software Product Line Conference - Volume 1"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3233027.3233032","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3233027.3233032","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T02:07:54Z","timestamp":1750212474000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3233027.3233032"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,9,10]]},"references-count":36,"alternative-id":["10.1145\/3233027.3233032","10.1145\/3233027"],"URL":"https:\/\/doi.org\/10.1145\/3233027.3233032","relation":{},"subject":[],"published":{"date-parts":[[2018,9,10]]},"assertion":[{"value":"2018-09-10","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}