> Kindly let me know how to detect negation using ctakes assertion annotator. polarity = -1 [-1 = negated, +1 = not negated]
https://cwiki.apache.org/confluence/display/CTAKES/cTAKES+3.0+-+Assertion HTH. --Pei > -----Original Message----- > From: Deepal Dhariwal [mailto:[email protected]] > Sent: Friday, February 22, 2013 12:59 PM > To: [email protected] > Cc: [email protected] > Subject: Re: Section Tagging Clinical Notes > > Hello Chen, > > Thanks a lot for informing. I'll follow the jira issue. > > Further I had also doubt regarding the assertion annotator. I have been using > ctakes document processor on i2b2 data set. However even for terms such > as "no shortness of breath" , the assertion results are as follows: > confidence = 1.0 > polarity = -1 > uncertainty = 0 > conditional = false > generic = false > subject = patient > entity = null > > Kindly let me know how to detect negation using ctakes assertion annotator. > Identifying whether the condition is present or absent is important in my > work. > > Regards > Deepal Dhariwal > > On Fri, Feb 22, 2013 at 12:47 PM, Chen, Pei > <[email protected]>wrote: > > > Hi Deepal, > > Just an FYI: > > It looks like SectionSegmentAnnotator.java is in core, but the sample > > SectionSegmentAnnotator.xml descriptor is in ctakes-clinical-pipeline. > > https://issues.apache.org/jira/browse/CTAKES-169 has been opened to > > fix this. > > > > --Pei > > > > > -----Original Message----- > > > From: Chen, Pei [mailto:[email protected]] > > > Sent: Saturday, February 16, 2013 6:01 PM > > > To: <[email protected]> > > > Cc: [email protected]; > > > [email protected] > > > Subject: Re: Section Tagging Clinical Notes > > > > > > No. There should be one called SectionSegmentAnnotator. > > > > > > Sent from my iPhone > > > > > > On Feb 16, 2013, at 5:57 PM, "Deepal Dhariwal" > > > <[email protected]> wrote: > > > > > > > Hello Pei, > > > > > > > > Thanks for your quick reply. Are you referring to Simple Segment > > > > Annotator from ctakes coredesc / analysis engine ? > > > > Reference: > > > > https://wiki.nci.nih.gov/display/VKC/cTAKES+2.5+-+Core#cTAKES25-Co > > > > re-S > > > > impleSegmentAnnotatorxml > > > > > > > > Regards > > > > Deepal Dhariwal > > > > > > > > > > > > On Sat, Feb 16, 2013 at 5:23 PM, Chen, Pei > > > > <[email protected]>wrote: > > > > > > > >> Hi Deepal, > > > >> Check out the SectionSegmentAnnotator from ctakes-core project > > > >> which was contributed by the MIT folks. There is a simple XML > > > >> config for heading names. > > > >> > > > >> --Pei > > > >> > > > >> On Feb 16, 2013, at 1:58 PM, "Deepal Dhariwal" > > > >> <[email protected]> > > > >> wrote: > > > >> > > > >>> Hello all, > > > >>> > > > >>> I was looking at > > > >>> SecTag< > > > >> http://knowledgemap.mc.vanderbilt.edu/research/content/sectag- > > > tagging > > > >> -clinical-note-section-headers > > > >>> > > > >>> and > > > >>> I was wondering whether ctakes has a provision or are planning > > > >>> to have a Section Tag annotator. i.e. it annotates "History of > > > >>> Previous Illness", "Medications on Admission" as section headers > > > >>> in clinical > > > documents. > > > >>> > > > >>> Regards > > > >>> Deepal Dhariwal > > > >> > >
