@INPROCEEDINGS{Soh13-WCRE-ProgramExploration,
   AUTHOR       = {Z�phyrin Soh and Foutse Khomh and Yann-Ga�l Gu�h�neuc and 
      Giuliano Antoniol and Bram Adams},
   BOOKTITLE    = {Proceedings of the 20<sup>th</sup> Working Conference on Reverse Engineering (WCRE)},
   TITLE        = {On the Effect of Program Exploration on Maintenance 
      Tasks},
   YEAR         = {2013},
   OPTADDRESS   = {},
   OPTCROSSREF  = {},
   EDITOR       = {Rocco Oliveto and Romain Robbes},
   MONTH        = {October},
   NOTE         = {10 pages.},
   OPTNUMBER    = {},
   OPTORGANIZATION = {},
   PAGES        = {391--400},
   PUBLISHER    = {IEEE CS Press},
   OPTSERIES    = {},
   OPTVOLUME    = {},
   KEYWORDS     = {Topic: <b>Program comprehension</b>, Venue: <c>WCRE</c>},
   URL          = {http://www.ptidej.net/publications/documents/WCRE13a.doc.pdf},
   PDF          = {http://www.ptidej.net/publications/documents/WCRE13a.ppt.pdf},
   ABSTRACT     = {When developers perform a maintenance task, they follow 
      an exploration strategy (ES) that is characterised by how they 
      navigate through the program entities. Studying ES can help to assess 
      how developers understand a program and perform a change task. 
      Various factors could influence how developers explore a program and 
      the way in which they explore a program may affect their performance 
      for a certain task. In this paper, we investigate the ES followed by 
      developers during maintenance tasks and assess the impact of these ES 
      on the duration and effort spent by developers on the tasks. We want 
      to know if developers frequently revisit one (or a set) of program 
      entities (referenced exploration), or if they visit program entities 
      with almost the same frequency (unreferenced exploration) when 
      performing a maintenance task. We mine 1,705 Mylyn interaction 
      histories (IH) from four open-source projects (ECF, Mylyn, PDE, and 
      Eclipse Platform) and perform a user study to verify if both 
      reference exploration (RE) and unreference exploration (UE) were 
      followed by some developers. Using the Gini inequality index on the 
      number of revisits of program entities, we automatically classify 
      interaction histories as RE and UE and perform an empirical study to 
      measure the effect of program exploration on the task duration and 
      effort. We report that, although a UE may require more exploration 
      effort than a RE, a UE is on average 12.30\NOless time consuming than 
      a RE.}
}

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Studying ES can help to assess how developers understand a program and perform a change task. Various factors could influence how developers explore a program and the way in which they explore a program may affect their performance for a certain task. In this paper, we investigate the ES followed by developers during maintenance tasks and assess the impact of these ES on the duration and effort spent by developers on the tasks. We want to know if developers frequently revisit one (or a set) of program entities (referenced exploration), or if they visit program entities with almost the same frequency (unreferenced exploration) when performing a maintenance task. We mine 1,705 Mylyn interaction histories (IH) from four open-source projects (ECF, Mylyn, PDE, and Eclipse Platform) and perform a user study to verify if both reference exploration (RE) and unreference exploration (UE) were followed by some developers. Using the Gini inequality index on the number of revisits of program entities, we automatically classify interaction histories as RE and UE and perform an empirical study to measure the effect of program exploration on the task duration and effort. We report that, although a UE may require more exploration effort than a RE, a UE is on average 12.30\\NOless time consuming than a RE.","bibtex":"@INPROCEEDINGS{Soh13-WCRE-ProgramExploration,\r\n AUTHOR = {Z�phyrin Soh and Foutse Khomh and Yann-Ga�l Gu�h�neuc and \r\n Giuliano Antoniol and Bram Adams},\r\n BOOKTITLE = {Proceedings of the 20^th Working Conference on Reverse Engineering (WCRE)},\r\n TITLE = {On the Effect of Program Exploration on Maintenance \r\n Tasks},\r\n YEAR = {2013},\r\n OPTADDRESS = {},\r\n OPTCROSSREF = {},\r\n EDITOR = {Rocco Oliveto and Romain Robbes},\r\n MONTH = {October},\r\n NOTE = {10 pages.},\r\n OPTNUMBER = {},\r\n OPTORGANIZATION = {},\r\n PAGES = {391--400},\r\n PUBLISHER = {IEEE CS Press},\r\n OPTSERIES = {},\r\n OPTVOLUME = {},\r\n KEYWORDS = {Topic: <b>Program comprehension</b>, Venue: <c>WCRE</c>},\r\n URL = {http://www.ptidej.net/publications/documents/WCRE13a.doc.pdf},\r\n PDF = {http://www.ptidej.net/publications/documents/WCRE13a.ppt.pdf},\r\n ABSTRACT = {When developers perform a maintenance task, they follow \r\n an exploration strategy (ES) that is characterised by how they \r\n navigate through the program entities. Studying ES can help to assess \r\n how developers understand a program and perform a change task. \r\n Various factors could influence how developers explore a program and \r\n the way in which they explore a program may affect their performance \r\n for a certain task. In this paper, we investigate the ES followed by \r\n developers during maintenance tasks and assess the impact of these ES \r\n on the duration and effort spent by developers on the tasks. We want \r\n to know if developers frequently revisit one (or a set) of program \r\n entities (referenced exploration), or if they visit program entities \r\n with almost the same frequency (unreferenced exploration) when \r\n performing a maintenance task. We mine 1,705 Mylyn interaction \r\n histories (IH) from four open-source projects (ECF, Mylyn, PDE, and \r\n Eclipse Platform) and perform a user study to verify if both \r\n reference exploration (RE) and unreference exploration (UE) were \r\n followed by some developers. Using the Gini inequality index on the \r\n number of revisits of program entities, we automatically classify \r\n interaction histories as RE and UE and perform an empirical study to \r\n measure the effect of program exploration on the task duration and \r\n effort. We report that, although a UE may require more exploration \r\n effort than a RE, a UE is on average 12.30\\NOless time consuming than \r\n a RE.}\r\n}\r\n\r\n","author_short":["Soh, Z.","Khomh, F.","Gu�h�neuc, Y.","Antoniol, G.","Adams, B."],"editor_short":["Oliveto, R.","Robbes, R."],"key":"Soh13-WCRE-ProgramExploration","id":"Soh13-WCRE-ProgramExploration","bibbaseid":"soh-khomh-guhneuc-antoniol-adams-ontheeffectofprogramexplorationonmaintenancetasks-2013","role":"author","urls":{"Paper":"http://www.ptidej.net/publications/documents/WCRE13a.doc.pdf"},"keyword":["Topic: <b>Program comprehension</b>","Venue: <c>WCRE</c>"],"metadata":{"authorlinks":{"gu�h�neuc, y":"https://bibbase.org/show?bib=http%3A%2F%2Fwww.yann-gael.gueheneuc.net%2FWork%2FPublications%2FBiblio%2Fcomplete-bibliography.bib&msg=embed","guéhéneuc, 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