MetaMap Machine Output (MMO) to MetaMap XML DTD
(MMOtoXML)
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      The MetaMap Machine Output (MMO) to XML DTD contains all of the elements of MetaMap Machine Output. You can download the MMOtoXML.dtd DTD file if you like.

<!--=========================================================================

Special DTD Notation:
    * = 0 or more occurrences (optional element and repeatable)
    ? = 0 or 1 occurrences (optional element at most 1)
    + = 1 or more occurrences (required element and repeatable)
    | = choice, one or the other but not both

Note:
* MMO stands for MetaMap Machine Output.

* Root element is MMO.

* The MMOSet element can contain multiple MMO subelements.

* Each "List" requires a count of how many elements are in the list, even
  if the number is zero.

* IsHead is either "yes" or "no".

* IsOverMatch is either "yes" or "no".

* STs -> Semantic Type List

* ST -> Semantic Type

===========================================================================-->

<!ELEMENT MMO    (Args, AAs, Negations, Utterances)>

<!ELEMENT Args              (Command, Options)>
<!ELEMENT Command           (#PCDATA)>
<!ELEMENT Options           (Option*)>
<!ATTLIST Options
	Count CDATA #REQUIRED
>
<!ELEMENT Option            (OptName, OptValue?)>
<!ELEMENT OptName           (#PCDATA)>
<!ELEMENT OptValue          (#PCDATA)>

<!ELEMENT AAs               (AA*)>
<!ATTLIST AAs
	Count CDATA #REQUIRED
>
<!ELEMENT AA                (AAName, AAExpansion, NumAATokens, AALen,
                             NumDefnTokens, DefnLen, CUIs)>
<!ELEMENT AAName            (#PCDATA)>
<!ELEMENT AAExpansion       (#PCDATA)>
<!ELEMENT NumAATokens       (#PCDATA)>
<!ELEMENT AALen             (#PCDATA)>
<!ELEMENT NumDefnTokens     (#PCDATA)>
<!ELEMENT DefnLen           (#PCDATA)>
<!ELEMENT CUIs              (CUI*)>
<!ATTLIST CUIs
	Count CDATA #REQUIRED
>
<!ELEMENT CUI               (#PCDATA)>

<!ELEMENT Negations         (Negation*)>
<!ATTLIST Negations
	Count CDATA #REQUIRED
>
<!ELEMENT Negation          (NegType, NegTrigger, NTSpans, NegConcept, NCSpans)>
<!ELEMENT NegType           (#PCDATA)>
<!ELEMENT NegTrigger        (#PCDATA)>
<!ELEMENT NTSpans           (Span+)>
<!ATTLIST NTSpans
	Count CDATA #REQUIRED
>
<!ELEMENT Span              (StartPos, SpanLen)>
<!ELEMENT StartPos          (#PCDATA)>
<!ELEMENT SpanLen           (#PCDATA)>

<!ELEMENT NegConcept        (#PCDATA)>
<!ELEMENT NCSpans           (Span+)>
<!ATTLIST NCSpans
	Count CDATA #REQUIRED
>

<!ELEMENT Utterances        (Utterance+)>
<!ATTLIST Utterances
	Count CDATA #REQUIRED
>

<!ELEMENT Utterance         (PMID, Location, SeqNo, UText, UStartPos,
                             USpanLen, Phrases)>
<!ELEMENT PMID              (#PCDATA)>
<!ELEMENT Location          (#PCDATA)>
<!ELEMENT SeqNo             (#PCDATA)>
<!ELEMENT UText             (#PCDATA)>
<!ELEMENT UStartPos         (#PCDATA)>
<!ELEMENT USpanLen          (#PCDATA)>
<!ELEMENT Phrases           (Phrase+)>
<!ATTLIST Phrases
	Count CDATA #REQUIRED
>

<!ELEMENT Phrase            (PText, Tags, PStartPos, PSpanLen,
                             Candidates, Mappings)>
<!ELEMENT PText             (#PCDATA)>
<!ELEMENT Tags              (Tag+)>
<!ATTLIST Tags
	Count CDATA #REQUIRED
>
<!ELEMENT Tag               (Type, LexMatch?, InputMatch, POS?, Tokens)>
<!ELEMENT Type              (#PCDATA)>
<!ELEMENT LexMatch          (#PCDATA)>
<!ELEMENT InputMatch        (#PCDATA)>
<!ELEMENT POS               (#PCDATA)>
<!ELEMENT Tokens            (Token*)>
<!ATTLIST Tokens
	Count CDATA #REQUIRED
>
<!ELEMENT Token             (#PCDATA)>
<!ELEMENT PStartPos         (#PCDATA)>
<!ELEMENT PSpanLen          (#PCDATA)>

<!ELEMENT Candidates        (Candidate*)>
<!ATTLIST Candidates
	Count CDATA #REQUIRED
>
<!ELEMENT Candidate         (NegScore, UMLSCUI, UMLSConcept, UMLSPreferred,
                             MatchedWords, STs, MatchMaps, IsHead, IsOverMatch,
                             Sources, Spans)>
<!ELEMENT NegScore          (#PCDATA)>
<!ELEMENT UMLSCUI           (#PCDATA)>
<!ELEMENT UMLSConcept       (#PCDATA)>
<!ELEMENT UMLSPreferred     (#PCDATA)>
<!ELEMENT MatchedWords      (MatchedWord+)>
<!ATTLIST MatchedWords
	Count CDATA #REQUIRED
>
<!ELEMENT MatchedWord       (#PCDATA)>

<!ELEMENT STs  (ST+)>
<!ATTLIST STs
	Count CDATA #REQUIRED
>
<!ELEMENT ST      (#PCDATA)>

<!ELEMENT MatchMaps      (MatchMap*)>
<!ATTLIST MatchMaps
	Count CDATA #REQUIRED
>
<!ELEMENT MatchMap          (TWMatchPosS, TWMatchPosE, CWMatchPosS,
                             CWMatchPosE, Variation)>
<!ELEMENT TWMatchPosS       (#PCDATA)>
<!ELEMENT TWMatchPosE       (#PCDATA)>
<!ELEMENT CWMatchPosS       (#PCDATA)>
<!ELEMENT CWMatchPosE       (#PCDATA)>
<!ELEMENT Variation         (#PCDATA)>

<!ELEMENT IsHead            (#PCDATA)>
<!ELEMENT IsOverMatch       (#PCDATA)>
<!ELEMENT Sources       (Source+)>
<!ATTLIST Sources
	Count CDATA #REQUIRED
>
<!ELEMENT Source            (#PCDATA)>

<!ELEMENT Spans             (Span+)>
<!ATTLIST Spans
	Count CDATA #REQUIRED
>
<!ELEMENT Mappings      (Mapping*)>
<!ATTLIST Mappings
	Count CDATA #REQUIRED
>
<!ELEMENT Mapping           (MapNegScore, Candidates)>
<!ELEMENT MapNegScore       (#PCDATA)>