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`!Abstract Interfaces for Data Analysis`! (`!AIDA`!) is a set of defined interfaces and formats for representing common `F33f`_`[data analysis`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Data_analysis]`_`f objects. The project was instigated and is primarily used by researchers in high-energy `F33f`_`[particle physics`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Particle_physics]`_`f.`:cite-ref-0-1-0[`F5bf`_`[1`#cite-note-0-1]`_`f]

>>Contents

• `F0af`_`[History`#history]`_`f

• `F0af`_`[References`#references]`_`f

• `F0af`_`[External links`#external-links]`_`f

-─

>>History

The goals of the AIDA project were to define `F33f`_`[abstract interfaces`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Abstraction_layer]`_`f for common physics analysis objects, such as `F33f`_`[histograms`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Histograms]`_`f, `F33f`_`[ntuples`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Ntuple]`_`f (or `F33f`_`[data trees`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Tree_(data_structure)]`_`f), fitters, `F33f`_`[I/O`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=I/O]`_`f etc.`:cite-ref-0-1-1[`F5bf`_`[1`#cite-note-0-1]`_`f] The importance of the interface concept is that a variety of different tools with different implementations can all support a uniform interface: this encourages modular design in data analysis packages and enables users to use their preferred implementation of a certain functionality without having to re-write existing code.`:cite-ref-2[`F5bf`_`[2`#cite-note-2]`_`f]

An additional benefit of AIDA is the specification of an `F33f`_`[XML`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=XML]`_`f representation format for data objects, which can be written and read by AIDA-compliant applications. AIDA implementations exist for `F33f`_`[C++`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=C++]`_`f (`F33f`_`[OpenScientist`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=OpenScientist]`_`f), `F33f`_`[Java`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Java_(programming_language)]`_`f (`F33f`_`[Java Analysis Studio`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Java_Analysis_Studio]`_`f)`:cite-ref-0-1-2[`F5bf`_`[1`#cite-note-0-1]`_`f] and `F33f`_`[Python`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Python_(programming_language)]`_`f. Usage of AIDA interfaces can be found in the `F33f`_`[Geant4`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Geant4]`_`f examples.

As of 2011, the projects seems dormant, with last "recent news" on the project homepage dating from 2005.

>>References

`:cite-note-0-1`!1.`! `F0af`_`[↑`#cite-ref-0-1-0]`_`f `:citerefbarrand2002`aBarrand, G. (August 2002). "Abstract Interfaces for Data Analysis - Component Architecture for Data Analysis Tools". `*CERN`*.

`:cite-note-2`!2.`! `F0af`_`[↑`#cite-ref-2]`_`f `:citerefpfeiffer2001`aPfeiffer, Andreas (July 2001). "AIDA - Abstract Interfaces for Data Analysis" (PDF).

>>External links

• AIDA home page

• "Abstract Interfaces for Data Analysis - Component Architecture for Data Analysis Tools", G.Barrand, P.Binko, M.Donszelmann, A.Johnson, A.Pfeiffer

• "AIDA - Abstract Interfaces for Data Analysis, Andreas Pfeiffer", CERN/IT

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