cts at lc - access 2010
DESCRIPTION
CTS at LC, talk given at Access 2010 in Winnipeg.TRANSCRIPT
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CTS* at LC**
Daniel Chudnov - 2010-10-15 - dchud at loc govAccess 2010 - Winnipeg
* Content Transfer Services** Library of Congress
follow along at
slideshare.net / dchud
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slideshare.net / dchud
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work in progress
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transferverificationinventoryreportingworkflow
notificationstatusaccess
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hard to show
but that won’t stop me
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tinyurl.com/cts2010
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when i’m donethis shouldmake sense
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NDNP
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publishingbreaking news*
online
* 100 years after it happens
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chroniclingamerica.loc.gov
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1,442,264pages
last year at Access
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2,692,369pages
this year at Access
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went livespring 2007
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first two years 1.4Mlast year 2.7M
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56 TB content117 TB in copies
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how?
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1.built abetter
access system
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faster ingestfrom 1 month to 1 day
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2.workflow
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CTSdoesthis
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monthsbatches
monts
page counts
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first batchreceived2005-10
went live spring 2007
press event
the gap
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first CTS workflow2009-09
2010-09
3-4 month lag
2-3 month lag
1-2 month lag
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ingest rateapproachesreceipt rate
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this makes ussmile
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contenttransferservices
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some requirements
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LC starteddigitizing
in the 1980s
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we have a lot
of stuff
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in alot
of places
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distributedcomputing
environment
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commercialMFT*
license
* Managed File Transfer
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buy or build?
why, both, thank you
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100s of collections
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dozens ofcuratorial organizations
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lots morestuff
coming every day
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along term project
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collectingand
making available
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services fortransfer ofcontent
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any content
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lots of transfers“movage”
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several services
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transferverificationinventoryreportingworkflow
notificationstatusaccess
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transfer across
systemsorganizations
time
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content transferis
risky
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copies fail
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bits go bad
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drives get lost
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you forgetwhat you did
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you forgetwhat you had
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people retire
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software breaks
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hardware breaks
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three blizzardsin
DC
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CTS helpsmake transfers
reliable and resilient
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reliable
know when you’vesucceeded
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BagIt
packing slipfor data
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data in a Bag
.|-- bag-info.txt|-- bagit.txt|-- data| |-- batch.xml| |-- batch_1.xml| |-- batch_ne_dewitt_rework| | |-- 00206538016_batch.xml| | |-- 00206538028_batch.xml| | `-- sn99021999| `-- sn99021999| |-- 00206538016| | |-- 0000.jp2| | |-- 0000.pdf| | |-- 0000.tif| | |-- 0000.xml| | |-- 0001.jp2| | |-- 0001.pdf| | |-- 0001.tif| | |-- 0001.xml
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identifiesa bag
.|-- bag-info.txt|-- bagit.txt|-- data| |-- batch.xml| |-- batch_1.xml| |-- batch_ne_dewitt_rework| | |-- 00206538016_batch.xml| | |-- 00206538028_batch.xml| | `-- sn99021999| `-- sn99021999| |-- 00206538016| | |-- 0000.jp2| | |-- 0000.pdf| | |-- 0000.tif| | |-- 0000.xml| | |-- 0001.jp2| | |-- 0001.pdf| | |-- 0001.tif| | |-- 0001.xml
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where thedata starts
.|-- bag-info.txt|-- bagit.txt|-- data| |-- batch.xml| |-- batch_1.xml| |-- batch_ne_dewitt_rework| | |-- 00206538016_batch.xml| | |-- 00206538028_batch.xml| | `-- sn99021999| `-- sn99021999| |-- 00206538016| | |-- 0000.jp2| | |-- 0000.pdf| | |-- 0000.tif| | |-- 0000.xml| | |-- 0001.jp2| | |-- 0001.pdf| | |-- 0001.tif| | |-- 0001.xml
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packingslip
.|-- bag-info.txt|-- bagit.txt|-- data| |-- batch.xml| |-- batch_1.xml| |-- batch_ne_dewitt_rework| | |-- 00206538016_batch.xml| | |-- 00206538028_batch.xml| | `-- sn99021999| `-- sn99021999| |-- 00206538016| | |-- 0000.jp2| | |-- 0000.pdf| | |-- 0000.tif| | |-- 0000.xml| | |-- 0001.jp2| | |-- 0001.pdf| | | ...|-- manifest-md5.txt`-- tagmanifest-md5.txt
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71607ad119be88c842268a76f0b6b9e9 data/sn99021999/00206538107/1884091301/0621.pdfc602d2ac07508059ce5f5597e239b97f data/sn99021999/00206538120/1885100601/0831.xmla59795bd1584532d5cbc0b1d82f75cf8 data/sn99021999/00206538016/1880061401/0593.pdf3c64fac7e2d49671e0d93908ae42a779 data/sn99021999/00206539616/1888101801/0905.xml03158a560baa7479b3805d2b45ee02cd data/sn99021999/00206538028/1880111501/0405.tiffa56ea18580e1446939ed62709e5b2db data/sn99021999/00206538077/1883061901/1145.pdfbf4fb83ff8305e8256970a3466c1a12d data/sn99021999/00206538120/1885061501/0043.pdf8f3649fc812de74b9d9443ee90a8ac9c data/sn99021999/00206538120/1885111101/1109.tife0b83a7f9ca228271fdaecf6348e1cec data/sn99021999/00206538120/1885101201/0871.xml1c2f84e12792c123ba0aabedd0c0bbad data/sn99021999/00206538107/1884071401/0197.xml080e557fe9f68037605e5b80df4bc4ac data/sn99021999/0020653820A/1888050701/0543.tif532efe32c156459d9d9589caf618f502 data/sn99021999/00206538120/1885071401/0250.tifce607af59a96f2656d9448f38ffda072 data/sn99021999/0020653820A/1888052801/0731.pdf60b626d8fd40aca1b425e86a004bb055 data/sn99021999/00206539628/1888111801/0088.xmla467cd62350334c7aa83cf1e9056c1c6 data/sn99021999/00206539616/1888091701/0629.jp21a434f7a4d843a2c8ffe8d0824fafc3f data/sn99021999/00206538028/1880120801/0482.jp222996d89b4a3334256afaddcaa0238d8 data/sn99021999/00206538016/1874102001/0259.jp236f550da273ad4c592fee1761c98322a data/sn99021999/00206538016/1880052201/0518.jp27f7ccec3f2afae896338498372fd476e data/sn99021999/00206539616/1888080101/0200.pdfc247a5d74d0e7f857c534d935661adbe data/sn99021999/00206538107/1884072601/0286.jp24d497a18a154adcc8636239378ab340b data/sn99021999/00206539628/1889021101/0868.pdf2e8ca2558b54b5c49b2f20a355a60895 data/sn99021999/00206538065/1882092001/0136.xmlfb71493048e5010100f18012f5060d42 data/sn99021999/00206538028/1880123001/0569.xml40b100432890b055a5defbfbea815d57 data/sn99021999/00206538107/1884090901/0590.xml46f6d61480dadc1c988b0baa4de8b6c4 data/sn99021999/00206539628/1888122801/0463.pdf1cb8af0648e8c9df395b63226fe7371f data/sn99021999/00206538016/1874101501/0244.pdf9257834023c683b02f354888b2740b8f data/sn99021999/00206539616/1888102301/0956.xml0d52b3b2b1c5459b7e8d500a8566b0bf data/sn99021999/00206538120/1885080801/0425.tif
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indicates two things
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1
what i thinki’m sending you
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2
whether youreceived it
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just likea
packing slip
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works acrossspace
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works acrosssystems
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works acrossorgs
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works acrosstime
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easy to make
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md5deep
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BIL
BagItLibrary
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Bagger
desktop GUI
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BIL is free softwareBagger will be soon
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sf.net/projects/loc-xferutils/
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see also:BagIt
in Wikipedia
edsu++
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reliabilitythrough bagging
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resiliencethrough
persistence
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verify thatcopies succeed
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know whencopies fail
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repeat untilcopies succeed
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debug&
diagnose
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record all of it
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know what you haveknow what you did
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inventory
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BagIt checksumsin a DB
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content propertiesproject, process, type
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event timeline
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receiptverification
QRcopies
accept/rejectingest/release
comments
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life cycle ofsome setof content
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basicfacts
all the copies projectdetails
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event timeline
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comments along the way
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life cycle ofNDNPbatch
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two key things
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1automated workflow
using jBPM
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this part
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process definitionmanages the steps
doesn’t let us forget
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2when content partners
callwe can answertheir questions
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reporting
answering ourown questions
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annual reportsvery important
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file countsoverall size
etc.
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used to bevery difficultto determine
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nowimmediateanytime
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mostlyNDNP
newerpartners
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also project reporting /planning
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NDNP batches - one awardee
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NDNP batches - all awardees(same data, CSV export)
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provides5000’ view
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workflow
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working statusat a glance
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a personalized view
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overview of a whole project
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overview of a system
overview of a person
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not exactly “Facebook for bags”
but kinda
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but wait,there’s more
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browse live copies
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![Page 130: CTS at LC - Access 2010](https://reader037.vdocuments.mx/reader037/viewer/2022102922/54905f78b47959302b8b4625/html5/thumbnails/130.jpg)
go right to the content
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many benefits
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aaaand...
a RESTy web API
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we can buildcomplex workflows
withinventory
and reportingin CTS
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we can buildQR/workflow/auditing
outside of CTSwith inventoryand reportingthrough CTS
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CTS:java, spring, mysql
hibernate, velocity, tilesjquery, jBPM, jetty
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NDNP:python, django,
mysql, solr, apache
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nice clean interfacesnice separation
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different coders,different styles
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same benefitsfrom using CTS
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what’s next?
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many morecontent collections
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now:
NDNPWeb Archives
NDIIPPCopyright Cards
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next:P&PG&MWDLAFC
TwitterCopyright EDeposit
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also coming:
more simple workflows
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“Receive and Copy”
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fits many use cases
receivebag/verify
copy to archivalcopy to access
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works for reconworks for new stuff
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and,get past typical problems
permissionsinsufficient storage
failed copies
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connectionwith
high expectation
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and, finallya UI redesign
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thanks!
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BagIt - wikipedia
sf.net/projects/loc-xferutils/
hooray for protovis
@dchud - dchud at loc gov