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《The Total Growth of Open Source》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學術(shù)論文-天天文庫。
1、TheTotalGrowthofOpenSourceAmitDeshpandeDirkRiehleSAPResearch,SAPLabsLLCSAPResearch,SAPLabsLLC3475DeerCreekRd3475DeerCreekRdPaloAlto,CA,94304U.S.A.PaloAlto,CA,94304U.S.A.amit@amit-deshpande.comdirk@riehle.orgAbstract.Softwaredevelopmentisundergoingamajorchangeawayfromafullyclo
2、sedsoftwareprocesstowardsaprocessthatincorporatesopensourcesoftwareinproductsandservices.Justhowsignificantisthatchange?Toan-swerthisquestionweneedtolookattheoverallgrowthofopensourceaswellasitsgrowthrate.Inthispaper,wequantitativelyanalyzethegrowthofmorethan5000activeandpopu
3、laropensourcesoftwareprojects.Weshowthatthetotalamountofsourcecodeaswellasthetotalnumberofopensourceprojectsisgrowingatanexponentialrate.Previousresearchshowedlinearandquad-raticgrowthinlinesofsourcecodeofindividualopensourceprojects.Ourworkshowsthatopensourceisexpandinginton
4、ewdomainsandapplicationsatanexponentialrate.1IntroductionSoftwaredevelopmentisundergoingamajorchangefrombeingafullyclosedsoft-waredevelopmentprocesstowardsamorecommunitydrivenopensourcesoftwaredevelopmentprocess.SuccessfulopensourceprojectslikeLinux,Apache,Postgre-SQLandmanyo
5、thersaregrowingsuper-linearly.Previousresearchshowedthatlinearandquadraticgrowthisthedominantgrowthpatternofopensourcesoftwareprojects[5][8][15][16][18][22].Inthispaper,weanalyzethecombinedgrowthofopensourcesoftwareintermsoflinesofsourcecodeaswellasnumberofprojects.Ourdatabas
6、econtainsmorethan5000activeandpopularopensourceprojects.Thedatabaseprovidesfinegranu-lardataofdeveloperactionsoverthelast17yearsfrom1990to2006.WeanalyzetheaverageamountofsourcecodeaddedpermonthforthetimeframeofJanuary1995toDecember2006aswellasthenumberofprojectsaddedovertime.
7、Wefindthatboththegrowthrateaswellastheabsoluteamountofsourcecodeisbestexplainedusinganexponentialmodel.Giventhatpreviousresearchshowedthatmostopensourceprojectsgrowatapolynomialrate,wesuggestandthenverifythatthenumberofopensourceprojectsisgrowingatanexponentialrate.Thispaperi
8、sorganizedasfollows.Section2discussesourmotivation,thehy-pothesis,an
