WO2001022323A1 - System and method for analyzing de-identified health care data - Google Patents

System and method for analyzing de-identified health care data Download PDF

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Publication number
WO2001022323A1
WO2001022323A1 PCT/US2000/025818 US0025818W WO0122323A1 WO 2001022323 A1 WO2001022323 A1 WO 2001022323A1 US 0025818 W US0025818 W US 0025818W WO 0122323 A1 WO0122323 A1 WO 0122323A1
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WIPO (PCT)
Prior art keywords
health care
data
record
data store
identification fields
Prior art date
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Ceased
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PCT/US2000/025818
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English (en)
French (fr)
Inventor
Stephen N. Ober
John Grubmuller
Maureen Farrell
Charles Wentworth
Tom Gilbert
Kevin Barrett
Steven Davis
Erik Nordman
Randell Grenier
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Iqvia Inc
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Quintiles Transnational Corp
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Application filed by Quintiles Transnational Corp filed Critical Quintiles Transnational Corp
Priority to JP2001525614A priority Critical patent/JP2003510694A/ja
Priority to AU75965/00A priority patent/AU7596500A/en
Priority to EP00965216A priority patent/EP1247221A4/en
Publication of WO2001022323A1 publication Critical patent/WO2001022323A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H15/00—ICT specially adapted for medical reports, e.g. generation or transmission thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/248—Presentation of query results
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28—Databases characterised by their database models, e.g. relational or object models
    • G06F16/283—Multi-dimensional databases or data warehouses, e.g. MOLAP or ROLAP
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
    • G06F21/6254—Protecting personal data, e.g. for financial or medical purposes by anonymising data, e.g. decorrelating personal data from the owner's identification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/10—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
    • G16Z99/00—Subject matter not provided for in other main groups of this subclass

Definitions

  • the present invention generally relates to computer systems and databases. More particularly, the present invention relates to a system and method for the gathering and analysis of health-care related data, and specifically the gathering and analysis of information regarding the use of pharmaceuticals by individuals. The present invention also relates to techniques for de-identifying the individuals from such pharmaceutical data, in order to maintain privacy.
  • claims are processed on large computer systems which receive claims data for patients who have been prescribed one or more medications and have filed claims with insurance companies (or government entities) in order to have the claim paid by the company or entity.
  • the claims data includes very specific details and attributes about the individuals making the claims. For example, attributes can include name, gender, birth date, address, medical diagnosis, specific drug prescribed, and other drugs the patient is using. Consequently, this data is very useful in assisting marketing research relative to usage of a specific drug and identifying various attributes that impact the usage.
  • the claims data is typically received at a data "clearinghouse" which can be a database for a specific insurance company or a larger database providing the claim processing service for many insurance companies.
  • a data "clearinghouse” can be a database for a specific insurance company or a larger database providing the claim processing service for many insurance companies.
  • the claims data that are produced by claimants include a significant amount of data, with millions of new claims being entered into the system each month.
  • Several of the claims data clearinghouses have systems handling many terabytes of claims data. Because of the large size of the data being produced and the large amount of attributes, the data is in an inadequate format for efficient search, retrieval and analysis of specific attributes.
  • the present invention is primarily directed to systems and methods for overcoming the problems discussed above, as well as related limitations of the prior art.
  • the present invention is directed to a system and method for creating a unique alias associated with an individual identified in a health care database, that allows the aggregation of segregated data for marketing research.
  • the system may include a first data store for storing at least one record where each record has a plurality of identification fields, such as name and birth date, which when concatenated uniquely identify an individual, and at least one health care field corresponding to health care data associated with the individual, such as a medication type.
  • the system may also have a second data store and a processor that selects a record of the first data store, selects a subset of the plurality of identification fields within the selected record, concatenates the selected subset of identification fields, and stores the concatenated identification fields in a record in the second data store along with at least one health care field from the selected record of the first data store.
  • the first data store and the second data store can either be located within the same database or in separate databases.
  • the health care data stored within the first data store may, in one embodiment, correspond to pharmaceutical claims data.
  • the selected subset may correspond to a specific person in the healthcare database, and the person's last name, birthday, and gender are concatenated to form a unique identifier for that record.
  • the processor may analyze longitudinal and historical records of individuals using individual-level linking methodologies based on the concatenated identification fields and the at least one health care field of each record of the second data store.
  • the health care data also can have personal data removed from the various records such that only medically significant information remains, and the identifier allows the medical information to be segregated such that the individual records are still identifiable.
  • the processor may perform the further steps of selectively gathering the records from the first data store and selectively manipulating the records into a data cube.
  • the records of the first data store are typically in tabular form, and the process of manipulating the records comprises selectively joining and projecting records from the various tabular records in the first data store to ultimately form a data cube comprised of a table of records.
  • the data cube format allows the processor to more easily perform a search of the health care records, and also generate a report by displaying the records of a specific data cube.
  • the present invention thus provides a method for creating a unique alias associated with an individual identified in a health care database, wherein the health care database stores at least one record, and each record has a plurality of identification fields which when taken together uniquely identify an individual, and at least one health care field may correspond to health care data associated with the individual.
  • the method includes the steps of selecting a record within the health care database, selecting a subset of the plurality of identification fields within the selected record, concatenating the selected subset of identification fields, and storing the concatenated identification fields in a record in a second database with the at least one health care field from the selected record of the first data store.
  • the method preferably includes the step of analyzing longitudinal, historical records of individuals using individual-level linking methodologies based on the concatenated identification fields and the at least one health care field of each record of the second database.
  • the step of selecting a record within the health care database may comprise selecting a record from pharmaceutical claims data. Further, the step of concatenating the selected subset of identification fields may comprise, for example, concatenating, for a specific person in the healthcare database, that person's last name, birthday, and gender. Thus, based on the concatenated identification fields and the at least one health care field of each record of the second data store, the method may include the step of analyzing longitudinal, historical records of individuals using individual-level linking methodologies.
  • the method further may include the steps of selectively gathering the records from the first data store, and selectively manipulating the records into a data cube.
  • the step of selecting a record within the health care database may comprise selecting records of the first data store that are in tabular form, and the step of selectively manipulating the records into a data cube may comprise selectively joining and projecting records from the first data store and creating a data cube comprising a table of records.
  • the data cube allows the present system to aggregate the records in an efficient format such that all new records can be viewed shortly after posting. Further, the unique population identifiers allow users to follow patients over time yielding important results unavailable in other databases, such as patient drug switching behavior. By linking medical and pharmacy transactions at the patient level, new insights such as indication specific use of drugs and patient comorbidities can be determined.
  • the report displayed by the system may contain several attributes, such as: market shares geographic information at the national, regional, state and MSA levels; trends over time including annual, quarterly, monthly, and weekly periods; traditional measures such as total, new and refilled prescription counts; source of business such as new prescription starts, switches, and continuing patients; prescriber specialty; patient demographics for age and gender; indication specific use; and patient comorbidities.
  • the system can therefore be used in a number of ways to help make business decisions, such as monitoring new drug launches and marketing campaigns, enhanced sales force targeting, and micro-marketing in select geographic areas or to select customers.
  • the system can be used for forecasting and development of a pharmaceutical marketing strategy including indication-specific product positioning, early warning market share shifts, clinical trial site selection, investigator recruiting, and accurate intelligence on market size and demand.
  • FIGS. 1A, IB, 1C and 2 are block and flow diagrams showing the overall structure and overall flow of the present invention in one embodiment.
  • FIG. 3 is a flow and relationship diagram, showing the overall flow and data relationship of the present invention.
  • FIG. 4 illustrates the operation of the Daily Rx Load Process of the present invention.
  • FIG. 5 illustrates the operation of the Monthly Mx Load Process of the present invention.
  • FIG. 6 illustrates the operation of the Monthly Hx Load Process of the present invention.
  • FIG. 7 illustrates the operation of Quarter Monthly Rx Merge Process of the present invention.
  • FIG. 8 illustrates the operation of the Prepare Mx Data Process of the present invention.
  • FIG. 9 illustrates the operation of the Produce Patient Data Process of the present invention.
  • FIG. 9 A illustrates the operation of the RSTRANSFORMER process of the present invention.
  • FIG. 10 illustrates the operation of the Pull Cube Data Process of the present invention.
  • FIG. 11 illustrates the operation of the Generate TC Cube Data Process of the present invention.
  • FIGS. 1 A, IB and 2 illustrate a high-level combined block/flow diagram for the present invention. These figures represent both the elements of a block diagram for, as well as the steps performed by the system of, the present invention.
  • the primary processing that takes place in the present invention may be performed by, for example, a high-performance computing system, such as a Sun Microsystems ESI 0000 computer (at SITE 2).
  • a computing system at SITE 1 places healthcare claims data at step 103 via a secure connection 190 onto a computer system at SITE 1.
  • This healthcare claims data may include, for example, pharmaceutical, medical, and hospital claims 101 that have been "de-identified" at step 102 (explained in further detail below).
  • the claims data is de-identified at step 102 before it is sent to SITE 2, which includes applying a unique identifier, encrypting this identifier, and removing specific patient identifying fields.
  • Data is then loaded into database tables (such as an Oracle database) at step 104 that also reside on SITE 2.
  • database tables such as an Oracle database
  • SITE 2 runs all processes for analyzing and consolidating the data and for transforming the resulting Oracle tables into OLAP cubes.
  • the cube building process may run on a different computer (such as SITE 2). Cubes are modeled using an OLAP product on a desktop computer under, for example, the Windows NT operating system.
  • the cube deployment process may run on a different computer (such as SITE 3).
  • a computing system at SITE 2 places cubes and metadata files at step 106 via a secure connection to SITE 3.
  • Processes run at step 107 at SITE 3 to place the cube on the production web site and to update the web site pages with the associated metadata.
  • the present process performed at SITE 2 after obtaining data from the SITE 1 computer, making data ready for cube transformers, and then displaying it on the web at SITE 3 can be logically divided into six major steps, as shown in FIG. 3.
  • FIG. 3 shows a high level overview of the processes used to create cubes.
  • the Load Oracle Tables process (step 301) can be divided into two logically different steps, daily and monthly processes, described in further detail below with respect to FIGS. 4-8.
  • the daily routines convert the text format data supplied from SITE 1 into "RX” and "Do Not Use Company Name (DNU)" daily Oracle tables.
  • the monthly processes convert Hospital (HX) and Medical (MX) data into monthly Oracle tables. Note that all run times provided below correspond to approximate run times.
  • the Daily Rx Load Process 401 is described below with respect to FIG. 4:
  • Script Use Loaddaily.sh is the unix shell script that uses the SQL Loader Rx Control file to convert the Rx Text file from SITE 1 into LOAD YYYYMMDD, ⁇ DNU ⁇ _YYYY MMDD Oracle tables after doing all the necessary number, char and date conversions.
  • the ⁇ DNU ⁇ list contains BLUFFCREEK, KROGER, OMNI, PCN, VIP and WALGREENS.
  • RX Control file YYYYMMDD.ctl. Output LOAD_l 9991123, 24 etc. tables for each day of a month.
  • the Monthly Mx Load Process 501 is described below with respect to FIG.
  • Script Use SQL LOADER process reads MXDaily.MMDDYY text file and control file to convert it into LOAD_MX_YYYYMM tables.
  • the Load HX Text Data Process 601 is described below with respect to FIG. 6:
  • Script Use SQL LOADER process reads HX text file and Control File to convert it into WH_ENVOY_HX_SEP99 tables.
  • the Quarter-Monthly Rx Merge Process 701 is described below with respect to FIG. 7:
  • WALGREENS_9911A..B..C..D like tables for each "DNU" company for a month.
  • the Prepare Mx Data Process 801 is described below with respect to FIG. 8: Script Use This process uses Process_Monthly_MX.sql SQL script to validate and convert LOAD_MX_YYYYMM table data into required date, char and numbers.
  • step 302 The Produce Patient Data Process of step 302 (FIG. 3) is described below in further detail with respect to FIG. 9:
  • step 303 The Produce Patient Data Process of step 303 (FIG. 3) is described below in further detail with respect to FIG. 10:
  • This process uses a series of Oracle stored procedures to allow for error checking and audit logging. Logging for these procedures uses the MM_LOG table. These stored procedures are called from the Unix shell using shell script wrappers that input the necessary variable values. The stored procedures used are as follows: mm00_init mm01_set_vars mm02_weekly_data_pull mm03_memids mm04_mx_diags
  • a record is added to MM_LOG for each process.
  • the name of the process is in the PROCESS column.
  • the name of the cube is in the CUBE_NAME column.
  • the mm00_init procedure initializes the environment for weekly Market Monitory cube processing.
  • the mmOO.sh shell script calls the mm00_init procedure.
  • the mm01_set_vars procedure sets variables for the Rx Market Monitor weekly cube processing.
  • the mmOl.sh shell script calls the mm01_set_vars procedure with input variables set as text.
  • the mm00_init procedure must already have been run.
  • the mm02_weekly_datajpull procedure pulls one week of Rx data for weekly Rx Market Monitor cube processing.
  • the mm02.sh shell script calls this procedure with the tablespace variable input set.
  • the mm00_init and mm01_set_vars procedures must already have been run.
  • YYMM is the two character year and month from start_date in MM_VARS table.
  • New WEB_DATA_WEEK_PULL table is created in the WEB schema in the tablespace named in the p_tablespace parameter.
  • the WEB_DATA_WEEK_PULL table contains Rx data from the start and end dates in the MMJVARS table.
  • MMJLOG - a row is inserted to indicate either successful completion or error condition.
  • the mm03_memids procedure accumulates six weeks of memids.
  • the mm03.sh shell script calls this procedure and inputs the tablespace parameter.
  • the mm00_init, mm01_set_vars, and mm02_weekly_data_pull procedures must already have been run.
  • WEB_UMEMS_WEEK_V2_MONDD table where MONDD is the end_date from MMJVARS table as text.
  • MONDD is start_date in MMJVARS table minus one day.
  • WEB UMEMS WEEK PULL is created with data for current week and previous 5 weeks.
  • MM_LOG - a row is inserted to indicate either successful completion or error condition.
  • the mm04_mx_diags procedure gets diagnoses information from Mx tables for weekly processing.
  • the mm04.sh shell script executes this procedure with the tablespace input variable set.
  • the mmOOJnit, mm01_set_vars, mm02_weekly_data_pull, and mm03_memids procedures must already have been run.
  • CHRONIC_RXMX table - records from the week are appended.
  • step 304 The Generate TC Cube Data Process of step 304 (FIG. 3) is described below in further detail with respect to FIG. 11 :
  • the Generate TC Cube Data Process 304 uses three Oracle stored procedures to generate a cube table which will be further used by data transformers to build a COGNOS readable multi-dimensional formatted cube structure.
  • the last stored procedure updates statistics for each cube.
  • the stored procedures are as follows: mm05_stepl mm06_step2 mm07_step3 mm08_cube_metadata
  • the mm05_stepl procedure must be run for each therapeutic class. This procedure inserts records into the CMID_V2_CLASS table where CLASS is the p_class specified.
  • the mmOOJnit, mm01_set_vars, mm02_weekly_data_pull, mm03_memids, and mm04_mx_diags procedures must already have been run.
  • New CMID_V2_CLASS_TMP table is created where CLASS is the p_class.
  • MM_LOG table - row inserted to indicate either successful completion or error condition.
  • the mm06_step2 procedure must be run for each therapeutic class. This procedure inserts records into the RX_RESULTJV2_CLASS table where CLASS is the p_class specified when the procedure is called.
  • the mm00_init, mm01_set_vars, mm02_weekly_data_pull, mm03_memids, mm04_mx_diags, and mm05_stepl procedures must already have been run.
  • CLASS is p_class.
  • MM_LOG table - row inserted to indicate either successful completion or error condition.
  • the mm07_step3 procedure must be run for each therapeutic class. This procedure creates a new RXMX_CUBE_V2_CLASS table where class is the p_class specified.
  • the mmOOJnit, mm01_set_vars, mm02_weekly_data_pull, mm03_memids, mm04_mx_diags, mm05_stepl, and mm06_step2 procedures must already have been run.
  • ICD9_V2_CLASS table where CLASS is the p_class.
  • Output New RXMX_CUBEJV2_CLASS table is created where CLASS is p_class.
  • MM_LOG table - row inserted to indicate either successful completion or error condition.
  • the mm08_cube_metadata procedure must be run for each therapeutic class. This procedure updates the CUBEJDATA table for each cube.
  • the mmOOJnit, mm01_set_vars, mm02_weekly_data_pull, mm03_memids, mm04_mx_diags, mm05_stepl, mm06_step2 and mm07_step3 procedures must already have been run.
  • Output CUBE_DATA_TEXT table is appended where CLASS is p_class.
  • MM_LOG table - row inserted to indicate either successful completion or error condition.
  • step 305 (FIG. 3) is described below in further detail with respect to FIG. 9A:
  • This process uses a C program to create a cube for each therapeutic class.
  • Each cube is FTP'd to the server of SITE 3.
  • Metadata for each cube is spooled to a text file and FTP'd to the SITE 3 server.
  • the same text files may be concatenated and sent via email to the web developer of SITE 2.
  • the transfer_mm_cube.sh script renames a cube and puts a copy into directory /raid4011/cubes/transfer where it will automatically be FTP'd to the SITE 3 server. This script is run in parallel for each class (class corresponds to cube).
  • gen_mm_file.sql is called by gen_mm_file.sh to spool metadata for a cube to a text file.
  • the text file is put into a directory where it is automatically FTP'd to the SITE 3 server. This script is run in parallel for each class. All procedures to pull cube data must have been successfully completed and the metadata must exist in the Oracle tables cube data and cube data text.
  • the email_meta.sh script will e-mail metadata to a SITE 2 Web Developer. This script is run in parallel for each class (class corresponds to cube).
  • the cube is sent via a secure connection to the host machine.
  • the cube is then automatically "served up" to the QA location on the web, to which only authorized personnel have access.
  • a "metadata" file is transmitted from the SITE 2 server, via a secure connection, to the host machine in a specific location (directory within a file system). This secure transmission may occur after a data cube has passed the QA verification.
  • the metadata file contains statistical information about the specific cube (e.g.- date that cube contains data through, number of records, number of patients, etc.).
  • an automated process may be initiated which checks for the presence of a metadata file and a corresponding data cube file. If matching files for a specific cube exist, the process automatically "serves" up this cube into production for access via the web pages.
  • the HTML page which contains the metadata for the cube is updated with the metadata contained in the metadata file.
  • the server at, for example, SITE 3 may prepare and maintain HTML template files for each QUINTERNETTM Series cube. These files contain the base HTML used to create each cube's web page. Instead of the actual metadata values that will populate the cubes' web pages, the HTML template files may contain placeholder tags. These placeholder tags are replaced by data values supplied by SITE 2 in metadata files.
  • SITE 2 transfers the template files and the metadata files to a host via FTP.
  • the metadata files are transferred to the host each time a cube is approved.
  • Template files are maintained for each QUINTERNETTM Series cube and are updated by SITE 2 as necessary so that a current version of each cube's template file is always available for processing on the host.
  • SITE 2 transfers a metadata file for that cube to the host via FTP.
  • the metadata files contains the same tags found in the HTML template file for each cube. Each of these tags is coupled with a value that will be substituted for the placeholder tag in the HTML template file.
  • An event-driven file processing script runs periodically via cron, a unix scheduling system, on the host. If the file processing script detects the existence of a designated flag file, a script called enable_cube.ksh is run.
  • the enable_cube.ksh script calls a Perl script, replaceHtmlMetaTags.pl, passing it the name of the cube being processed and the name of the related metadata file.
  • the enable_cube.ksh script also updates the metadata file with a tag/value pair representing the date the updated cube is being deployed.
  • replaceHtmlMetaTags.pl script The purpose of the replaceHtmlMetaTags.pl script is to automatically generate HTML pages for the QUINTERNETTM Series products.
  • the replaceHtmlMetaTags.pl script substitutes the values in the metadata file for the placeholder tags in the template and saves the resulting output in an HTML file.
  • the enable_cube.ksh script then promotes the updated HTML file(s) to SITE 3's web server 181 thus making it available via, for example, the Internet 183, to users of web browsers 182 operating on client computers.
  • the present invention may be implemented with a processing schedule defined in many ways.
  • the schedule may be on a weekly or monthly basis, depending upon the needs of the implementation. At times, special requests may be required and the ability to process data and create cubes on an ad hoc basis exists.

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PCT/US2000/025818 1999-09-20 2000-09-20 System and method for analyzing de-identified health care data Ceased WO2001022323A1 (en)

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US8473452B1 (en) 2013-06-25
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US8930404B2 (en) 2015-01-06
US20140040308A1 (en) 2014-02-06
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