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The '''UNL Memory''', also known as UNL Example Base, is a network structure where UW's are interconnected through any semantic relation of UNL. Differently from the [[UNL Ontology]], which deals only with monotonic relations ("icl" and "iof"), and the [[UNL Knowledge Base]], which deals only with relations used to define a concept, the UNL Memory contains any relation that is likely to link two concepts, including those that are not necessary but only frequent, according to their use in a given corpus. In that sense, the UNL Memory comprises and extends the UNL Ontology and the UNL^KB.<br /><br /> The UNL Memory may be provided in two different formats: *Extended, in XML; or *Simplified, as a set of [[Grammar_Specs#Disambiguation_Rules|network disambiguation rules]] == Extended format == UNL Memory entries in extended format must have the following structure: <relation name="RNAME" type="RTYPE" frequency="RFREQ"> <source id="SID" attribute="ATT" lang="UNL" frequency="SFREQ" class="SCLASS">SOURCE</source> <target id="TID" attribute="ATT" lang="UNL" frequency="TFREQ" class="TCLASS">TARGET</target> </relation> Where:<br /> RNAME is the name of one existing UNL relation ("agt", "aoj", "obj", etc);<br /> RTYPE is the type of the existing relation<br /> RFREQ is the frequency of the relation TYPE between the SOURCE and the TARGET in the corpus;<br /> SFREQ is the frequency of the SOURCE in the corpus;<br /> TFREQ is the frequency of the TARGET in the corpus;<br /> SID is a number used to identify the SOURCE;<br /> TID is a number used to identify the TARGET;<br /> ATT is one of the existing UNL attributes ("entry", "past", etc);<br /> SCLASS is the general class of the SOURCE;<br /> TCLASS is the general class of the TARGET;<br /> SOURCE is the source node of the UNL relation; <br /> TARGET is the target node of the UNL relation; <br /> === XML Schema === <pre> <?xml version="1.0" encoding="utf-16"?> <xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:element name="eb"> <xsd:complexType> <xsd:sequence> <xsd:element maxOccurs="unbounded" name="relation"> <xsd:complexType> <xsd:sequence> <xsd:element name="source"> <xsd:complexType> <xsd:attribute name="id" type="xsd:unsignedLong" use="required" /> <xsd:attribute name="attribute" type="xsd:string" use="optional" /> <xsd:attribute name="lang" type="xsd:string" use="optional" /> <xsd:attribute name="frequency" type="xsd:int" use="optional"/> <xsd:attribute name="class" type="xsd:string" use="optional"/> </xsd:complexType> </xsd:element> <xsd:element name="target"> <xsd:complexType> <xsd:attribute name="id" type="xsd:unsignedLong" use="required"/> <xsd:attribute name="attribute" type="xsd:string" use="optional" /> <xsd:attribute name="lang" type="xsd:string" use="optional"/> <xsd:attribute name="frequency" type="xsd:int" use="optional"/> <xsd:attribute name="class" type="xsd:string" use="optional"/> </xsd:complexType> </xsd:element> </xsd:sequence> <xsd:attribute name="name" type="xsd:string" use="required"/> <xsd:attribute name="type" type="xsd:string" use="optional"/> <xsd:attribute name="frequency" type="xsd:int" use="optional"/> </xsd:complexType> </xsd:element> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:schema> </pre> === Example === <?xml version="1.0" encoding="utf-16"?> <eb> <relation name="mod" frequency="2"> <source id="410" attribute="entry" lang="UNL" frequency="20" class="nou">book(icl>document)</source> <target id="2243" lang="UNL" frequency="2" class="nou">republic(icl>form of government)</target> </relation> <relation name="mod" frequency="1"> <source id="410" attribute="entry" lang="UNL" frequency="20" class="nou">book(icl>document)</source> <target id="466" lang="UNL" frequency="1" class="nou">certainty(icl>attribute)</target> </relation> <relation name="mod" frequency="1"> <source id="410" attribute="entry" lang="UNL" frequency="20" class="nou">book(icl>document)</source> <target id="583" lang="UNL" frequency="2" class="nou">creation(icl>action)</target> </relation> <relation name="mod" frequency="1"> <source id="410" attribute="entry" lang="UNL" frequency="20" class="nou">book(icl>document)</source> <target id="1539" lang="UNL" frequency="3" class="nou">lineage(icl>descendant)</target> </relation> <relation name="mod" frequency="1"> <source id="410" attribute="entry" lang="UNL" frequency="20" class="nou">book(icl>document)</source> <target id="1566" lang="UNL" frequency="11" class="nou">love(icl>emotion)</target> </relation> </eb> == Simplified format == UNL Memory entries in simplified format must have the structure of [[Grammar_Specs#Disambiguation_Rules|network disambiguation rules]], as follows: RELATION(SOURCE;TARGET)=DC; Where:<br /> RELATION is the name of one existing UNL relation ("agt", "aoj", "obj", etc);<br /> SOURCE is the source node of the UNL relation;<br /> TARGET is the target node of the UNL relation; <br /> DC is the degree of certainty (i.e., the likelihood of the relation between the SOURCE and the TARGET), ranging from 0 (impossible) to 255 (necessary)<br /> The SOURCE and the TARGET nodes may be referred as: *constants (i.e., specific UWs), to be represented between double square brackets: <nowiki>[[103485997]]</nowiki> *a feature (attribute, value, or attribute-value pair) or set of features of a group of UWs: N, LEX=N, N&ABT *a relation or a set of relations: agt(N,V) === Examples === <nowiki>icl(<[[100001930]];[[100001740]])=1; (= a physical entity is a kind of entity)</nowiki><br /> pof(N;V)=0; (= a nominal concept cannot be a part of a verbal concept)<br /> pof(LEX=N;LEX=V)=0; (= a nominal concept cannot be a part of a verbal concept)<br /> icl(ABT;^ABT)=0; (= an abstract concept cannot be a kind of non-abstract concept)<br /> and(agt(;);^agt(;))=0; (= an agent relation may not be coordinated with a non-agent relation)<br />

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