Sounds like an awesome application!
CONTAINS is similar to OVERLAP but more specific. It means that one
event is fully contained inside an event or time expression:
|--------- a -----------|
|-----b-------|
specifically BEGIN(a) <= BEGIN(b) AND END(a) >= END(b)
whereas OVERLAP is a broader category that just means there is some overlap:
|--------a----------|
|-----------b-------|
is an example of an OVERLAP relation that is not contains.
Technically CONTAINS is a subset of OVERLAP, but it is one that is so
useful and common that we keep it as its own category.
Tim
On 08/19/2015 04:53 AM, Stuti Awasthi wrote:
> Hi All,
>
> I am a newbee in ctakes so please pardon my ignorance.
> I am trying to extract temporal relation between Events-Events and
> Events-Time. For this I am using cTakes Temporal module via api's. Once I
> get the temporal relation, I would like to put them in sequence order to
> understand patients medical history.
>
> Now issue is for most of the relationship(Tlink) between Evenet-Event and
> Event-Time, I receive a category "Contains". In most of the ctakes related
> papers, I read that TLInk belongs to "Before, Aftre,Overlap" so what does
> this "contains" means and how I can utilize this to build user's sequential
> timeline
>
> Eg:
> The MRI scan on admission revealed an impending cord compression at the level
> of T10.
>
> ################ EventEventRelation Annotation Output ###############
> EVENT(DocTime) | Relationship Category | Event(Doctime)
> scan ( BEFORE ) | CONTAINS | revealed ( BEFORE )
> scan ( BEFORE ) | CONTAINS | compression ( BEFORE )
>
> Please suggest.
>
> Thanks &Regards
> Stuti Awasthi
>
>
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