Alitheia Core - University of Oregon · Writes an analysis tool by implementing 3 methods Uses raw...
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3 Run analysis tools 2 Preprocess raw data and extract metadata 1 Import the data CPU Mail Metadata Metric Results SCM Metadata 1 2 Versions Bug Metadata Dev Metadata Multiple Identities Metric Metrics can use more than one data source or results from other metrics CPU CPU Raw Data Mirror Projects SCM Mails Bugs 3 4 Share results and tools 5 Leave your comments here Stage 1: Raw data to metadata Stage 2: Metadata Relationship Inference All graphics used are copyright of the Oxygen project, distributed under the CC Atribution ShareAlike 3 license Project logos are copyright of each respective project Researcher Alitheia Core ▪ Writes an analysis tool by implementing 3 methods ▪ Uses raw data or metadata ▪ Installs the plug-in ▪ Resolves metric dependencies ▪ Schedules Metric Jobs on CPUs Don't forget your sticker! Αlitheia Core is cool! Yeah, but let's pray it won't find any bad smells Researcher ▪ Downloads Alitheia Core ▪ Downloads example raw data or metadata ▪ Writes a plug-in ▪ Submits it to sqo-oss.org Community ▪ Replicates experiments ▪ Benefits from each other's work www.sqo-oss.org SQO-OSS project ▪ Maintains common experiment infrastructure ▪ Develops Alitheia Core ▪ Shares raw data and metadata with researchers that submit plug-ins Currently, we have 712 projects 4,674,236 revisions 822 mailing lists 3,757,367 emails 450,210 bug reports Stage 1 Stage 2 ▪Uses SCM log to create a virtual file tree in the DB ▪ Imports mail and bug metadata ▪ Reconstructs mailing list threads ▪ Resolves developer identities across data sources ▪ Other analyses possible More than 25 metrics already available 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 66595 66630 66681 66731 66867 66872 66874 66883 66884 66889 66892 66929 67013 Contribution points Developer Id Positive contribution per developer broken down per action for project: Tracker. MST MFR MCT CND CNS CADD CCGN CREM CTF CDF CBN CPH BRP BCC 0 20 40 60 80 100 Gnome-Desktop Epiphany Gnome-System-Tools Gnome-VFS AbiWord Gnome-Utils Gnome-Games Evince gedit LibGnomePrint EyeOfGNOME GTK-Doc Tomboy Deskbar-Applet Sabayon Orbit2 Gnome-Themes NetworkManager Gnome-Pilot GOK Gnome-Mud Tracker F-Spot Meld Gnumeric Cheese Garnome Dashboard gvfs Sawfish Gnome-Network Banshee Gnome-Screensaver Seahorse Brasero Gnome-Keyring Gnome-Commander Muine MlView Planner LSR Gnome-Power-Manager Libsoup Drivel Vala Glom Gnome-Chemistry-Utils Conduit % Total contribution percentage for the top 30% of developers 66% Top-30% Average Data Warehouse Alitheia Core Software Engineering Studies in Four Steps Georgios Gousios & Diomidis Spinelis {gousiosg,dds}@aueb.gr Athens University of Economics and Business This work is supported by the Greek Secretariat of Research and Technology, throughout the operational program COMPETITIVENESS, measure 8.3.1 (PENED).
Transcript of Alitheia Core - University of Oregon · Writes an analysis tool by implementing 3 methods Uses raw...
3Run analysis tools
2Preprocess raw data and extract metadata
1Import the data
CPU
Mail Metadata
Threads
Metric Results
SCM Metadata
1
2Versions
Bug Metadata
Dev Metadata
Mu
ltiple
Ide
ntitie
s
MetricMetrics can use more
than one data source or results from other
metrics
CPU
CPU
Raw Data Mirror
Projects SCM Mails Bugs 3
4Share results and tools
5Leave your comments here
Stage 1: Raw data to metadata
Stage 2: Metadata Relationship Inference
All graphics used are copyright of the Oxygen project, distributed under the CC Atribution ShareAlike 3 licenseProject logos are copyright of each respective project
Researcher Alitheia Core
▪Writes an analysis tool by implementing 3 methods▪Uses raw data or metadata▪ Installs the plug-in
▪Resolves metric dependencies▪Schedules Metric Jobs on CPUs
Don't forget your sticker!
Αlitheia Core is cool!
Yeah, but let's pray it
won't find any bad
smells
Researcher▪Downloads Alitheia Core▪Downloads example raw data or metadata▪Writes a plug-in▪Submits it to sqo-oss.org
Community▪Replicates experiments▪Benefits from each other's work
www.sqo-oss.org
SQO-OSS project▪Maintains common experiment infrastructure▪Develops Alitheia Core▪Shares raw data and metadata with researchers that submit plug-ins
Currently, we have712 projects
4,674,236 revisions822 mailing lists
3,757,367 emails450,210 bug reports
Stage 1 Stage 2
▪Uses SCM log to create avirtual file tree in the DB ▪ Imports mail and bug metadata
▪Reconstructs mailing list threads▪Resolves developer identities across data sources▪Other analyses possible
More than 25 metrics already available
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
66595
66630
66681
66731
66867
66872
66874
66883
66884
66889
66892
66929
67013
Cont
ribut
ion
poin
ts
Developer Id
Positive contribution per developer broken down per action for project: Tracker.
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Total contribution percentage for the top 30% of developers
66%
Top-30%Average
Data Warehouse
Alitheia CoreSoftware Engineering Studies in Four Steps
Georgios Gousios & Diomidis Spinelis
{gousiosg,dds}@aueb.grAthens University of Economics and Business
This work is supported by the Greek Secretariat of Research and Technology, throughout the operational program COMPETITIVENESS, measure 8.3.1 (PENED).
