Other people s data
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Other People’s Data. David Maier & Nicholas B. Rayner Department of Computer Science Portland State University. Foreign Dataspaces. Data sources seem to appear by spontaneous generation Often up to someone else to interpret them Description can be minimal, lacking or wrong.

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Other people s data

Other People’s Data

David Maier & Nicholas B. Rayner

Department of Computer Science

Portland State University

CIDR 2007


Foreign dataspaces

Foreign Dataspaces

Data sources seem to appear by spontaneous generation

Often up to someone else to interpret them

Description can be minimal, lacking or wrong

CIDR 2007


Rxsafe dataspace

RxSafe Dataspace

Medication records

Assisted living facilities, Primary care clinics, Hospital, Pharmacies

Standards for medication information

  • National Drug Code Directory (NDCD), FDA, packaged drugs

  • RxNorm, NLM, describing clinical drugs

  • National Drug File – Reference Terminology (NDF-RT), VA, drug classes

CIDR 2007


Cidr 2007

RxNorm Published Structure[RxNorm: A Guide for the Perplexed, http://www.nlm.nih.gov/umls/rxnorm/rxnorm_guide.pdf]

CIDR 2007


National drug file reference terminology ndf rt

National Drug File – Reference Terminology (NDF-RT)

CIDR 2007


Issues

Issues

  • Internal properties of sources

    What is a key, foreign key in NDCD

  • Generic vs. domain-specific structure

  • Comparability

    Tradename (NDCD) vs. Brand Name (RxNorm)

CIDR 2007


Connectivity rxnorm and ndf rt

Connectivity: RxNorm and NDF-RT

Classes for 54%of brand names

(RxNorm of 11/16/05)

CIDR 2007


Dataspace profiling

Dataspace Profiling

Interactive tool suite (Dataspace Workbench) for dataspace characterization and customization

CIDR 2007


Architectural framework

Architectural Framework

Modules for different property types, with 3 components

  • Probe: property verification or inference

    <c1,hasForm,c2>c1=clinical drug, c2=dose form

  • Switch: customization that exploits property

    hasForm(Clinical_Drug, Dose_Form)

  • Check: ensure updates don’t invalidate

    Might be easier than probe

CIDR 2007


Example module linking through equivalency

Example Module:Linking Through Equivalency

CIDR 2007


What s the benefit

What’s the Benefit?

SELECT DISTINCT i.scd, c.class

FROM scd_ing AS i INNER JOIN scd_class AS c ON i.scd = c.scd

WHERE i.scd IN ('Penicillin G 250000 UNT Oral Tablet', 'Ibuprofen 200 MG Oral Capsule', 'Acebutolol 400 MG Oral Capsule');

+--------------------------------+-----------------------+

| scd | class |

+--------------------------------+-----------------------+

| Acebutolol 400 MG Oral Capsule | BETA-BLOCKERS/RELATED |

+--------------------------------+-----------------------+

SELECT DISTINCT i.scd, c.class

FROM scd_ing_lim AS i INNER JOIN scd_ing_lim_scd_class_equivlink AS c ON i.ing = c.ing

WHERE i.scd IN ('Penicillin G 250000 UNT Oral Tablet', 'Ibuprofen 200 MG Oral Capsule', 'Acebutolol 400 MG Oral Capsule');

+-------------------------------------+------------------------------------+

| scd | class |

+-------------------------------------+------------------------------------+

| Acebutolol 400 MG Oral Capsule | BETA-BLOCKERS/RELATED |

| Ibuprofen 200 MG Oral Capsule | NONSALICYLATE NSAIS, ANTIRHEUMATIC |

| Penicillin G 250000 UNT Oral Tablet | PENICILLIN G-RELATED PENICILLINS |

+-------------------------------------+------------------------------------+

CIDR 2007


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