Querying archetype-based EHRs by search ontology-based XPath engineering

Table 1 NL description of the queries (→ “Search Ontology-based Pathology Questions (OWL)” section)

Q	Question
Q0 ^a	PEHRs which contains T2 as primary tumor classification
	and defined phrases of excised skin material
Q1	Prostatic carcinomas are found starting from how many
	grams of flake tissue?
Q2	Prostatic carcinomas are found starting from how many
	capsules? What influence has the processing method
	(with/without remainder)?
Q3	How large are the leiomyomas of the uterus in the entry
	material?
Q4	How many lymph node metastasis occur at colon cancer
	in stage pT2?
Q5	In how many esophageal biopsies is a barret mucosa found?
	Exclude a certain negation expression^b (cave).

^aQ0 is only for proofing the concept [5]
^b’ohne Nachweis einer Barrett-Schleimhaut’ (en: without evidence of barrett mucosa)

ISSN: 2041-1480