@INPROCEEDINGS{Jaafar17-QRS-CloneAntipatterns,
   AUTHOR       = {Fehmi Jaafar and Angela Lozano and Yann-Ga�l Gu�h�neuc and 
      Kim Mens},
   BOOKTITLE    = {Proceedings of the 3<sup>rd</sup> International Conference on Software Quality, Reliability, and Security (QRS)},
   TITLE        = {On the Analysis of Co-occurrence of Anti-Patterns and 
      Clones},
   YEAR         = {2017},
   OPTADDRESS   = {},
   OPTCROSSREF  = {},
   EDITOR       = {Manuel Nu�ez and Tadashi Dohi and Xiaoying Bai},
   MONTH        = {July},
   NOTE         = {10 pages.},
   OPTNUMBER    = {},
   OPTORGANIZATION = {},
   PAGES        = {274--284},
   PUBLISHER    = {IEEE CS Press},
   OPTSERIES    = {},
   OPTVOLUME    = {},
   KEYWORDS     = {Topic: <b>Code and design smells</b>, Venue: <c>QRS</c>},
   URL          = {http://www.ptidej.net/publications/documents/QRS17b.doc.pdf},
   PDF          = {http://www.ptidej.net/publications/documents/QRS17b.ppt.pdf},
   ABSTRACT     = {One of the most important tasks in software maintenance 
      is debugging. Developers perform debugging to fix faults and 
      implement new features. Usually they use interactive development 
      environments to perform their debugging sessions. To start an 
      interactive debugging session, developers must set breakpoints. 
      Choosing where to set breakpoints is a non-trivial task, yet few 
      studies have investigated how developers set breakpoints during 
      interactive debugging sessions. To understand how developers set 
      breakpoints, we analysed more than 10 hours of 45 video-recorded 
      debugging sessions, where a total of 307 breakpoints were set. We 
      used the videos from two independent studies involving three software 
      systems. We could observe that: (1) considerable time is spent by 
      developers until they are able to set the first breakpoint; (2) when 
      developers toggle breakpoints carefully, they complete tasks faster 
      than developers who set (potential useless) breakpoints quickly; and 
      (3) different developers set breakpoints in similar locations while 
      working (independently) on the same tasks or different tasks. We 
      discuss some implications of our observations for debugging 
      activities.}
}

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Developers perform debugging to fix faults and implement new features. Usually they use interactive development environments to perform their debugging sessions. To start an interactive debugging session, developers must set breakpoints. Choosing where to set breakpoints is a non-trivial task, yet few studies have investigated how developers set breakpoints during interactive debugging sessions. To understand how developers set breakpoints, we analysed more than 10 hours of 45 video-recorded debugging sessions, where a total of 307 breakpoints were set. We used the videos from two independent studies involving three software systems. 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