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This page lists the release notes from every production version of Averbis Health Discovery



06 August 2021
We're pleased to present Health Discovery 6.1 with various new features and bugfixes. MINOR  

Highlights:

  • ATC codes are now visible within feature "Medication"
  • Validation of LabValues based on the extracted units
Resolved issues:
  • Bug fixes to improve accuracy in various annotators
  • Pipeline cloning only works if the preconfigured pipeline has been started once
  • Resource sharing

Known issue:

  • Faceted-search doesn't work with the default concepts (fix coming soon)
  • Pipelines are not automatically restarted when the application is restarted or updated. It requires a manual start. (fix coming soon)
  • Pathology pipeline and discharge pipeline concerning diagnosis candidates with CNN are currently not working (fix coming soon)

03 September 2021 - Bugfix Release Health Discovery 6.1.1  BUGFIX
Resolved issues:
  • Known issues regarding pathology pipeline and discharge pipeline concerning diagnosis candidates with CNN were resolved

19 July 2021
We're pleased to present Health Discovery 6.0 with various new features. MAJOR

HD 6.0 - What is new and what has been improved?

The Health Discovery version 6.0 represents our major release candidate. This release introduces many new or enhanced features. To give you an detailed overview of which new features and improvements you can expect, they are listed here.

 A user-friendly migration from previous versions to the new Health Discovery 6.0 is provided. You can find more information here.

Highlights:
  • Import your document into production scenarios with Averbis Health Discovery GUI
  • Data connectors for a simplified data import, which can be scheduled and automatically done
    • File connector supports PDF and Office formats
    • Database connector supports document import from databases
  • Scalable Bulk Export API for text analysis results
    • Bulk export with heavily reduced disk space
  • Seamless integration of the REST API into Python
  • New enhancements and changes to the API format (detailed overview of REST API changes)
    • Unified REST interface format and removed bugs
    • REST API v0 has been removed and replaced with version 1 (API v1) with many additional API calls
  • HD6 integrates the OSGi framework

    • OSGi allows a decoupling of the Health Discovery Version 6 platform and the NLP pipelines.

  • Apache UIMA v3 upgrade
  • Connect Averbis Health Discovery to your favorite visualization tool (Tableau, Power BI, etc)

  • New pathology models are available and implemented in the pathology pipeline
  • UI Improvements: plain-text-annotator contains Ruta seeding which allows writing Ruta rules with annotated special characters

  • New anatomy annotator
  • Merged DRG pipeline into discharge pipeline
Resolved issues:
  • Bug fixes to improve various annotator performances
  • Improved speed performance during text analysis
  • Fixed bug concerning multithreading of pipelines
  • Improvement of pathology pipeline based on customer feedback
  • Bug fixes to improve various annotator performances for example concerning false positive terms

Known issues:

  • Pipeline cloning only works if the preconfigured pipeline has been started once (fix coming soon)
  • Faceted-search doesn't work with the default concepts (fix coming soon)
  • Resource sharing is not yet available (coming soon)

24 March 2021
We're pleased to present Health Discovery 6.0 RC1 with various new features. RELEASE CANDIDATE

The Health Discovery Version 6.0 Release Candidate is a preview and should not be used in productive mode. For more information, check here.

Highlights:
  • With Averbis Health Discovery GUI import the documents into production scenarios
  • Data connectors for a simplified data import, which can be scheduled and automatically done
    • File connector supports PDF and Office formats
    • Database connector supports document import from databases
  • Scalable Bulk Export API for text analysis results
    • Bulk export with heavily reduced disk space
  • Seamless integration of the REST API into Python
  • New enhancements and changes to the API format (detailed overview of REST API changes)
    • Unified REST interface format and removed bugs
    • REST API v0 has been removed and replaced with version 1 (API v1) with many additional API calls
  • HD6 integrates the OSGi framework

    • OSGi allows a decoupling of the Health Discovery Version 6 platform and the NLP pipelines.

  • Apache UIMA v3 upgrade
  • Connect Averbis Health Discovery to your favorite visualization tool (Tableau, Power BI, etc)

Resolved issues:
  • Bug fixes to improve various annotator performances


31 March 2021
We're pleased to present Health Discovery 6.0 RC2 with various new features. RELEASE CANDIDATE
Highlights:
  • new pathology models available implemented in the pathology pipeline
  • UI Improvements: plain-text-annotator contains Ruta seeding which allows writing Ruta rules with annotated special characters

Resolved issues:
  • Bug fixes to improve various annotator performances
07 April 2021 - Bugfix Release Health Discovery 6.0 RC2.1  BUGFIX
Resolved issues:
  • improved speed performance during text analysis
  • fixed bug concerning multithreading of pipelines


19 May 2021
The Health Discovery 6.0 RC3 was released internally for testing proposals and was not published.


2 July 2021

We're pleased to present Health Discovery 6.0 RC4 with various new features. RELEASE CANDIDATE
  • new AnatomyAnnotator
  • merged DRG Pipeline into Discharge-Pipeline
Resolved issues:
  • improvement of pathology pipeline based on customer feedback
  • Bug fixes to improve various annotator performances for example concerning false positive terms



09 February 2021
We're pleased to present Health Discovery 5.39.1 with various new features and bugfixes MINOR BUGFIX 


Highlights:
  • Improved capability of Portuguese language
Resolved issues:
  • Various bug fixes to improve accuracy in ECOG and Drug annotator



25 January 2021
We're pleased to present Health Discovery 5.38.X with various new features. MINOR
Highlights:
  • Updates of Diagnoses dictionaries in English (ICD-10-CM) and German (ICD-10-GM) to 2021
  • Enabled Cross Origin Resource Sharing (CORS) support for the REST-API
Resolved issues:
  • Various bug fixes to improve accuracy in several NLP pipelines



10 December 2020
We're pleased to present Health Discovery 5.37.X with various new features. MINOR
Highlights:
  • New API for importing documents and managing document collections
  • New document classification API workflow that supports the training and evaluation of document classifiers
  • Annotation editor keyboard shortcuts for manipulating existing annotations
  • Additions to the lab value terminology leading to improved annotation results
Resolved issues:
  • Various bug fixes corresponding to false annotations in discharge and pathology pipeline



03 November 2020
We're pleased to present Health Discovery 5.36.X with new features. MINOR
Highlights
  • Pathology pipeline now annotates result dates of the pathology report in annotation type „PathologyDocumentation“
  • Terminology: Update of RxNorm to 09/08/2020 release
  • Annotation Editor:  improved usability when creating and modifying annotations (e.g. new keyboard shortcuts)  

Resolved issues:
  • ICD-GM-Code for Prostata Carcinoma corrected to C61 (former: C61.9)
  • Fixed an issue in detection of node status in pathology reports and introduced a validation range for number of tested/affected nodes



03 September 2020
We're pleased to present Health Discovery 5.35.X with new features. MINOR
Highlights
  • Significant improvement of the negation detection by using the latest machine learning methods
14 September 2020 - Bugfix Release Health Discovery 5.35.1
  • Fixed an issue in Visus detection: Patterns such as "Visus: s.c. bds. 1,1" are now identified correctly
  • Recognition of ECOG status are now validating the value range (values between 0-5)
  • "E. coli" has often been mistakenly identified as a drug



26 Aug 2020
We're pleased to present Health Discovery 5.34.X with new features. MINOR
Highlights
  • Pathology pipeline now annotates additional TNM-values for lymphatic, vascular and perineural invasion (L,V,Pn)
Resolved issues

     Framework:

  • Reduced memory consumption when using multiple pipeline instances

     Text Analysis:

  • Receptors: recognition of estrogen and progesterone status extended to cover missing patterns
  • Deidentification:  country abbreviations and specific full names are now deidentified correctly



10 July 2020
We're pleased to present Health Discovery 5.33.X with new features. MINOR
Highlights
  • Annotation editor now supports custom entities
  • Imported documents are saved in a space-saving manner
  • Automatic forwarding after login to the target page
  • Classification confidence is visible for each document
  • Pipelines: improvements in negotiation detection
  • Support for latest Apache Tomcat versions in native installation scenarios 
Resolved issues

     Search & Classification:

  • Classification User Interface shows access denied error for non-admin users
  • Export of search results does not work if documents are sorted by classification confidence

     Text Analysis:

  • Pipelines which only consist of the Apache Ruta engine cannot be started
  • Offsets for Document Annotation are incorrect when documents start or end with line spaces:


20 July 2020 - Bugfix Release Health Discovery 5.33.1 BUGFIX
  • Fixed a bug that prevented the Search from indexing text mining results and writing them into the Search Index



18 June 2020
We're pleased to present Health Discovery 5.32.X with new features. MINOR
Highlights
  • The de-identification pipeline "deid (experimental)" is no longer in experimental stage and therefore renamed to "deid"
  • Deid pipeline: new annotation type, which replaces recognized PHI information with placeholders and returns texts de-identified.
  • Simplified configuration of GenericTerminologyAnnotator
  • Various improvements to the transplantation pipeline regarding date recognition and extraction of human leukocyte antigen (HLA) tables
Resolved issues
  • Lab values: incorrect recognition of measurement unit



25 May 2020
We're pleased to present Health Discovery 5.31.X with new features. MINOR
Highlights
  • Detection of Covid-19 disease (currently English only)
  • Extension of laboratory value detection to include fungi and viruses
  • Start of the pipelines significantly accelerated (note: delay on the first request possible due to lazy loading)



8 May 2020
We're pleased to present Health Discovery 5.30.X with new features. MINOR
Highlights
  • Identification of organisms in Microbiology results and mappings to corresponding ICD 10 codes
  • Export and import of pipeline configurations with PEAR packages is now supported
Resolved issues
  • Fixed false positive mappings in Laboratory Value Tagger ('Al', 'pancreatic')
18 May 2020 - Bugfix Release Health Discovery 5.30.2
  • Fixed a bug in the GenericTerminologyAnnotator that caused pipelines with this component to stop starting.



15 April 2020
We're pleased to present Health Discovery 5.29.X with new features. MINOR
Highlights
  • Improvements of the deidentification pipeline "deid (experimental)"
  • Terminology Management: new API Calls for creation and deletion of terminologies
  • Usability enhancements of Annotation editor:
    • Highlighting of text positions for selected annotations
    • Search and filter functionality
Resolved issues
  • Laboratory Value: body temperature annotated with unit "Coulomb"


23 March 2020
We're pleased to present Health Discovery 5.28.X with new features. MINOR
Highlights
  • Medical Value Validator: New integrated component that checks the extraction of medical values for plausibility and removes unrealistic values
  • Redesigned annotation editor and evaluation view with improved usability

Resolved issues
  • Custom terminologies with special characters cannot be submitted to text analysis
  • Health Discovery cannot be deployed on latest Tomcat 7 and 8 versions



3 March 2020
We're pleased to present Health Discovery 5.27.X with new features. MINOR
Highlights
  • Pathology pipelines with new features:
    • Extraction of tumor thickness
    • Confidence values for diagnosis, morphology, topography and document category


20 February 2020
We're pleased to present Health Discovery 5.26.X with new features. MINOR
Highlights
  • New experimental pipeline "deid (experimental)" that identifies protected health information (PHI) such as names, dates, places, IDs, contact information and others
  • Updated pipeline "transplantation": New feature "belongsTo" in the HLA (human leukocyte antigen) annotator assigns HLA values to donors or recipients
  • Cloning of pipelines via button in the pipeline configuration
  • Various improvements in the text mining pipelines and terminologies


11 February 2020
We're pleased to present Health Discovery 5.25.X with new features. MINOR
Highlights
  • New Annotator "Blacklist Removal Annotator" allows to remove annotations
  • API for exporting and importing text analysis pipeline configurations
  • improved negation status detection in diagnosis recognition


27 January 2020
We're pleased to present Health Discovery 5.24.X with new features. MINOR
Highlights
  • API for generating API tokens
  • API for integrated document search
  • API for starting and stopping pipelines
  • Text analytics: enhancements in negation recognition
Resolved issues
  • issues with False Positives in abbreviation recognition



28 November 2019
We're pleased to present Health Discovery 5.23.X. MINOR
Highlights
  • New Annotator "Organizations" identifies sender of clinical notes and maps the sender to hospital types (e.g. university hospital). Available for German only
  • Additional API-Calls: project creation and user password reset now available as API call
  • Various extensions in our lab terminology
Resolved issues
  • Browser interface not working in Internet Explorer 11
  • Drugs recognized as laboratory values



31 October 2019
We're pleased to present Health Discovery 5.22.X MINOR
Highlights
  • New Annotator "PathologyDocumenation" aggregates relevant pathological information (diagnosis, morphology, topography, TNM..) from german pathology reports and returns a unique value per information attribute
  • Pipeline for DRG-coding now proposes procedure codes (OPS) for billing based on machine learning models (experimental phase)
  • Terminology ICD-10-CM has been updated to 2019 version
Known Issues
  • Browser interface is not working in Internet Explorer 11



22 October 2019
We're pleased to present Health Discovery 5.21.X MINOR
Highlights
  • Annotator "Procedures" with new procedure status information such as "cancelled" and "completed"
  • Various improvements to the transplantation pipeline regarding date recognition and medication 
Known Issues
  • Text exports in XMI format from earlier versions can no longer be imported into the current version
  • Browser interface is not working in Internet Explorer 11

9 September 2019
We're pleased to present Health Discovery 5.20.X MINOR
Highlights
  • Improved detection of Allergy Sections in clinical notes
  • Improvements in the Ophthalmology pipeline concerning the extraction of visual acuity values
Resolved issues
  • Recognition of laboratory values, if the value precedes the laboratory identifier

21 August 2019
We're pleased to present Health Discovery 5.19.X with new features MINOR
Highlights
  • Transplantation Pipeline: GvHD (Graft-versus-Host Disease) Annotator with new feature extractions such as laterality, negations, verification status
  • Various improvements in the text mining pipelines and terminologies
Resolved issues
  • Extraction of time spans over month and year ends
  • Recognition of enumerations of laboratory values without punctuation marks

7 August 2019
We're pleased to present Health Discovery 5.18.X with new features MINOR
Highlights
  • DRG pipeline now allows to embed CNN (Convolutional Neural Network) models
  • Bugfix: Error when saving annotations of a numeric value in the Annotation Editor resolved
  • Bugfix: Connectors do not import documents when using the save & start button
Improvements in Usability
  • Link to Swagger User Interface on project overview page

24 July 2019
We're pleased to present Health Discovery 5.17.X with new features MINOR
Highlights
  • Annotator "Departments" contains information about the sending department of a clinical note
  • Number of pipeline instances can be configured in the pipeline configuration
  • Increased upload limit from 400 MB to 2 GB
  • Start time of Health Discovery significantly shortened in multi-project scenarios
  • Document metadata is leveraged in text analysis pipelines
  • LDAP/Active Directory login is tolerant of case sensitive user names
Improvements in Usability
  • Refresh button in process overview to view current state of processing
  • Jump label from a specific text mining process to its text analysis results in the annotation editor
  • Prevent dialog boxes from closing accidentally
  • "Components" renamed to "Annotators" and simplified selection of available annotators in the pipeline configuration

27 June 2019
We're pleased to present Health Discovery 5.16.X with new features and bug fixes MINOR
Highlights
  • Various improvements in the detection of coding candidates in in text mining pipelines „drg"
  • Multiple PEAR components can be installed in one step
  • Directory service integration does not require a distinguishedName attribute in LDAP anymore
  • Simplified the usage to security certificates for encrypted LDAP communication
Resolved issues
  • LDAP Login not working with Internet Explorer 11
  • LDAP manager password not visible anymore
  • Changes made to a classification configuration are not saved

13 June 2019
We're pleased to present Health Discovery 5.15.X with new features and bug fixes MINOR
Highlights
  • Health Discovery now supports LDAP to authenticate users and groups against directory services, e.g. Microsoft Active Directory
  • A new feature in annotator "PhysicalTherapies" extracts status information for PhysicalTherapies (e.g. “planned”, “canceled”, “completed“)
  • Bugfix: Export of terminologies in OBO format has been reintroduced and is now available as "Download"
  • New feature: Terminologies can now be downloaded and stored locally

28 May 2019
We're pleased to present Health Discovery 5.14.X with new features MINOR
Highlights
  • Annotator „Diagnosis“ with new features, giving information on text mining approach and confidence level of annotations
  • Various improvements and bug fixes in text mining pipelines „Discharge“ and „DRG"

2 May 2019
We're pleased to present Health Discovery 5.13.X with new annotators MINOR
Highlights
  • Annotator „tumorStages“ extracts information about the stage of a tumor
  • Annotator „Specimen“ extracs various information such as morphology, topography, laterality etc. of specimens from  pathology reports
  • New receptor annotators now allow the extraction of Her2, progesterone and estrogen status of cells
  • Improved performance when creating new projects

Note: The export of terminologies in OBO format is currently not available in the current Health Discovery version. Customers using OBO exports are advised not to upgrade until the issue is resolved.


23 April 2019
We're pleased to present Health Discovery 5.12.X with new features and performance improvements MINOR
Highlights
  • A new feature in annotator "PatientInformation" extracts a patient's death from clinical notes.
  • Preconfigured pipelines can now process up to four requests from the web interface in parallel. This significantly increases throughput with a slight increase in memory requirements.
  • API Token mechanism to prevent the REST API from unauthorized access
  • Averbis Health Discovery is now also available as a Docker Installation. Due to the simplified installation, we recommend that customers switch to Docker when the appropriate technical requirements are met. Please refer to the Installation Manual for more information.

Note: The increase in pipeline throughput means that the system requires approximately 20% more RAM.


04 April 2019
We're pleased to present Health Discovery 5.11.X with new features MINOR
Highlights
  • A new annotator "BiologicallyDerivedProducts" extracts information on CD34-positive stem cell transplantations (quantity of cells, date/time information)
  • Annotator „Patient Information“ now contains a new annotation type which extracts information on a patient’s first name, last name or gender, based on a dictionary you can create
  • Various improvements and bug fixes in the text mining pipelines and terminologies

12 March 2019
We're pleased to present Health Discovery 5.10.X with a new annotator and enhanced text mining features MINOR
Highlights
  • A new annotator "Department" extracts medical departments (e.g. Hematology, Oncology…) from clinical notes
  • The „Medication“ annotator now contains Rx Norm TermTypes as an attribute
  • Fixed memory leakage when starting/stopping pipelines multiple times
  • Significant improvements in the Ophthalmology annotator concerning the extraction of visual acuity values

24 January 2019
We're pleased to present Health Discovery 5.9.X with a new annotator and enhanced text mining and terminology features MINOR
Highlights
  • A new annotator "WordlistAnnotator" allows users to embed simple dictionaries directly into text mining pipelines
  • Terminology imports can now include mapping mode definitions
  • The annotator LaboratoryValues now contains additional information on qualitative values (e.g. +, ++, 1-, POSITIVE, NEGATIVE) and modifier of qualitative values (e.g. STRONG, BORDERLINE, WEAK)
  • Various improvements and bug fixes in the text mining pipelines and terminologies

12 December 2018
We're pleased to present Health Discovery 5.8.X with a new functionality in Ruta MINOR
Highlights
  • The text mining engine Ruta now allows the use of DECLARE statements
  • Various improvements and bug fixes in the text mining pipelines and terminologies

04 December 2018
We're pleased to present Health Discovery 5.7.X with some improvements on the update mechanism MINOR
Highlights
  • Previously, when updating to a new product version, existing projects had to be deleted and recreated if there were improvements to the text mining pipelines. With the new version, existing projects automatically get the new text mining pipelines.
  • The text mining component RutaEngine now allows the input of DECLARE statements
  • The type PatientInformation is now only created if at least one attribute in PatientInformation is not null.
  • Various improvements and bug fixes in the text mining pipelines and terminologies

13 November 2018
We're pleased to present Health Discovery 5.6.X with new annotators and an experimental pipeline for DRG coding (German) MINOR
Highlights
  • We have developed a new experimental pipeline for DRG coding, which makes proposals for billable diagnoses based on various rule-based and machine-learning based methods.
  • A new annotator PhysicalTherapies extracts physical therapies (e.g. cryotherapy, occupational therapy) from clinical notes.
  • The type Ophthalmology now contains a side as attribute.
  • Various improvements and bug fixes in the text mining pipelines and terminologies

29 October 2018
We're pleased to present Health Discovery 5.5.X with the new Procedure Annotator for English MINOR
Highlights
  • New annotator 'Procedures' for English that annotates surgical procedures from clinical notes
  • The type 'Hospital Stay' was renamed to 'Patient Information'. In the future, it shall contain various information about a patient's stay in hospital.
  • Various improvements and bug fixes in the text mining pipelines and terminologies

01 October 2018
We're pleased to present Health Discovery 5.4.X with some extensions of the text mining types MINOR
Highlights
  • The type 'Diagnosis' now has an attribute 'laterality' with values 'RIGHT', 'LEFT' or 'BOTH'
  • The type 'Medication' now has an attribute 'date' which can be a single date or a date interval
  • The type 'DocumentAnnotation' now has an attribute 'language' which returns the document language



12 September 2018
We're pleased to present Health Discovery 5.3.X that includes various new text mining annotators for the German language MINOR
Highlights
  • The HLA annotator that annotates information about Human Leukocyte Antigens
  • The Irridation annotator recognizes information about a previous irradiation therapy
  • The GvHD annotator recognizes information about the occurrence of a Graft-versus-Host-Disease
  • The Chimerism annotator annotates information about chimerism for the field of transplantation medicine
  • The Ophthalmology annotator detects indicators for the left and the right eye, the intraocular pressure, mentions of visual acuity and concepts concerning the field of ophthalmology



05 September 2018
We're pleased to present Health Discovery 5.2.X with with some extensions of the text mining types MINOR
Highlights
  • All terminology-based concepts now also return the synonym responsible for a text mining hit
  • The type Medication has a new attribute 'administrations'.
  • Extension of the 'Strength' specifications in the Medication type
  • Enhancement of the 'Clinical Section' type, which now also returns the section type
  • Various improvements and bug fixes in the text mining pipelines



22 August 2018
We're pleased to present Health Discovery 5.1.X with improvements in the text mining web service MINOR
Highlights
  • Specify the text mining types you want to get back in the web service.
  • Text mining webservice now accepts HTML as input



09 August 2018 MAJOR
We're pleased to present Health Discovery 5.0.X with many brand new features
Highlights
  • Preconfigured pipelines for discharge letters and pathology reports
  • Over 20 preconfigured and several generic text mining annotators for comprehensive text analyses
  • Enhanced graphical user interface for easy access
  • Brand new documentation with getting started guide, detailed web service specification etc