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						OLiA Reference Model for Morphology, Morphosyntax and Syntax
	(originally 
    based on the EAGLES recommendations, with modifications in accordance to 
    DCR (ISOcat, June 2013), TDS ontology, GOLD v.03, the SFB 632 annotation guidelines, 
    the MULTEXT-East ontology and various annotation schemes) | 
					
				
			
				
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						Top categories of the OLiA Reference Model
    2010/01/19 created 
    2010/04/08 removed NPFunction (=> SyntacticRole) 
	2010/04/13 added MorphologicalProcess, MorphologicalFeature, DiscourseFeature, AnimacyFeature, 
			ReferentTypeFeature, RegisterFeature, UsageAndFrequencyFeature
	2010/04/14 validation, PossessiveFeature removed (see olia:hasOwnerNumber), moved olia:NarrativeType and olia:PolarityFeature here
	2010/04/15 additions in accordance to the PTB Bracketing Guidelines: NullElement, SentenceTypeFeature (Santorini 1991, Bies et al. 1995)
	2010/11/30 added TopologicalField in accordance to the TueDa-D/Z annotation guidelines (Telljohann et al. 2009)
	2011/07/29 replace url by purl
	2011/07/31 added ProximityFeature
	2011/08/03 added SpecificityFeature
	2011/08/04 SubordTypeFeature, CoordTypeFeature deprecated, added NumeralAgreementClass
	2011/08/11 StrengthFeature recast as MorphologicalFeature rather than MorphosyntacticFeature
	2011/08/15 EmphasisFeature added
	2011/08/15 PhonologicalProcess added (for Elision and Apocope, formerly both classified as MorphologicalProcess)
	2013/06/25 EvidentialityFeature, ClusivityFeature added (from ISOcat), intensity as new label to EmphasisFeature
			   LexicalRelation for labels for relations holding between lexemes
	2013/06/27 AgreementFeature (from ISOcat, as superclass of NominalAgreementClass, Person, Gender, Number; not as a relation between words)	
	2013/06/28 EvaluativeFeature (for ISOcat PreferredEvaluative and PejorativeEvaluative), ModalityFeature (Modality and Mood distinction revised)
	2016/04/18 fixed minor validity warnings
    Christian Chiarcos, chiarcos@uni-potsdam.de |