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        "author": "Roland Puntaier",
        "author_email": "roland.puntaier@gmail.com",
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            "License :: OSI Approved :: MIT License",
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            "Programming Language :: Python :: 3.6"
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        "description": "pyfca\n=====\n\nhttps://github.com/pyfca/pyfca\n\nPython Formal Concept Analysis (`FCA`_).\n\nThe purpose is to collect algoritms for FCA.\n\nAlgorithms\n----------\n\nSo far:\n\nlattice construction:\n\n- AddIntent\n\nimplications basis:\n\n- Koenig\n\nlattice drawing:\n\n- create lattice diagram and output in \n\n  - svg\n  - tkinter\n\nPlan\n----\n\n- Create a basic lattice data structure:\n\n- Merge existing sources available online.\n\n  Lattice construction:\n\n  - FCbO\n  - InClose2\n  - ...\n\n  Implications basis:\n\n  - Closure\n  - LinClosure\n  - Wild's Closure\n  - ...\n\n\n.. _`FCA`: https://en.wikipedia.org/wiki/Formal_concept_analysis\n\n\n\nUsage\n-----\n\nIt can be used to create a concept lattice and to draw it either using tkinter() or svg().\n\n.. code::\n\n    import pyfca\n    fca = pyfca.Lattice([{1,2},{2},{1,3}])\n    diagram = pyfca.LatticeDiagram(fca,4*297,4*210)\n    diagram.svg().saveas('tmp.svg')\n    import cairosvg\n    cairosvg.svg2png(url=\"file:///<path to tmp.svg>\", write_to='tmp.png')\n\n\n\nThe ``AddIntent`` algorithm is from the paper:\n\n    AddIntent: A New Incremental Algorithm for Constructing Concept Lattices\n\n\nThe lattice drawing algorithm is from:\n\n    `Galicia <http://www.iro.umontreal.ca/~galicia/>`_\n\n\n\n\nImplications\n------------\n\nThis uses the python int as a bit field to store the FCA context.\n\nSee this `blog`_ for more.\n\n\n.. _`blog`: http://rolandpuntaier.blogspot.com/2015/07/implications.html\n\n\n",
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