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Digital Antiquity Data Integration with tDAR The Digital Archaeological Record: The potentials of archaeozoological data integration through tDAR Katherine Spielmann and Keith Kintigh Arizona State University ICAZ 2010
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Digital Antiquity Data Integration with tDAR the Digital Archaeological Record,. Web-based ingest interface: user/contributors upload data and detailed metadata Provides long-term preservation of data & metadata Web-based discovery and access for data and documents produced by archaeological projects. Provide data integration across inconsistent databases
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Digital Antiquity Data Integration with tDAR A Bit of History Driven by need for synthetic research Genesis of the project (1999) was a long-term collaboration of ASU archaeologists Frustrated by the difficulty of Obtaining data Integrating data that were collected using different coding schemes by different investigators Teamed up with computer scientists and got funding
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Digital Antiquity Data Integration with tDAR Data Ingest
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Digital Antiquity Data Integration with tDAR Adding a Project
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Digital Antiquity Data Integration with tDAR Enter Resource Metadata
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Digital Antiquity Data Integration with tDAR Additional Metadata Collection Procedures: Sampling of site Sampling of bone assemblage Screen size Context (room, trash, hearth, pit) Quality of faunal collection Weathering % identifiable
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Digital Antiquity Data Integration with tDAR Upload Dataset
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Digital Antiquity Data Integration with tDAR Enter Column Metadata and Attach Coding Sheet
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Digital Antiquity Data Integration with tDAR Coding Sheet Metadata
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Digital Antiquity Data Integration with tDAR Preserve the original data in original format in a sustainable format (that can be migrated) on sustainable media no transformations of original file’s content users can always download the data as recorded Preserve database semantics through collection and dissemination of metadata Ensure users’ attribution of credit to creators
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Digital Antiquity Data Integration with tDAR Creating General Faunal Ontologies
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Digital Antiquity Data Integration with tDAR Ontologies Ontology is a map of the semantic relationships among a set of concepts. In tDAR, ontologies are ordinarily hierarchical (tree-like) and represent an arbitrary number of levels of class-subclass relationships
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Digital Antiquity Data Integration with tDAR Burning Intensity First Level Second Level UnburnedBurned Probably Burned CalcinedCharredSinged Indeter- minate Not Recorded
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Digital Antiquity Data Integration with tDAR Butchering First Level Second Level Probably Butchered Butchered Indeter- minate Cut MarksSaw Marks Chop Marks Not Butchered Not Recorded
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Digital Antiquity Data Integration with tDAR Ontologies in tDAR
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Digital Antiquity Data Integration with tDAR Ontology Mapping For a variable to be integrated across databases: The values for that variable in each database are mapped to appropriate nodes in the ontology tree Mapping preferably done by the original analyst
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Digital Antiquity Data Integration with tDAR Ontology Mapping - Example Database 1 Database has taxon value 107 Its coding sheet says taxon 107 = “hare” Database 2 Database has taxon value 237 Coding sheet says 237 = “black-tailed jackrabbit” described as “Lepus californicus”
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Digital Antiquity Data Integration with tDAR
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Associate Coding Key With Ontology
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Digital Antiquity Data Integration with tDAR Map Coding Key to Ontology Upper Little Colorado Prehistory Project Pueblo Blanco
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Digital Antiquity Data Integration with tDAR Perform Data Integration: Pilot Analysis
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Digital Antiquity Data Integration with tDAR Zuni Salinas
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Digital Antiquity Data Integration with tDAR tDAR Integration User queries tDAR to identify databases Mark databases to go in user workspace Select tables to integrate
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Digital Antiquity Data Integration with tDAR Workspace with Bookmarked Databases
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Digital Antiquity Data Integration with tDAR Select Tables to Integrate
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Digital Antiquity Data Integration with tDAR Select Data Table Columns to Integrate
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Digital Antiquity Data Integration with tDAR Specify Aggregation and Filtering
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Digital Antiquity Data Integration with tDAR Output Output Database observations from both datasets integration uses common ontology values filtering eliminates cases aggregation for consistency and analytical simplicity Database is downloaded and analyzed by user.
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Digital Antiquity Data Integration with tDAR Integration Output - Species Only
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Digital Antiquity Data Integration with tDAR Integration Output – Species & Element
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Digital Antiquity Data Integration with tDAR Output Spreadsheet – 2 Sheets
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Digital Antiquity Data Integration with tDAR Output Spreadsheet - Combined
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Digital Antiquity Data Integration with tDAR Data Table – From SPSS Species code * DatasetTable Crosstabulation DatasetTable Total PBUCLPP Species codeArtiodactylCount208858567944 % within DatasetTable40.9%29.2%31.6% Bos/bisonCount260 % within DatasetTable.5%.0%.1% CanidCount316697 % within DatasetTable.6%.3%.4% TurkeyCount153698851 % within DatasetTable3.0%3.5%3.4% LagomorphCount28111341416225 % within DatasetTable55.0%67.0%64.5% TotalCount51092003425143 % within DatasetTable100.0%
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Digital Antiquity Data Integration with tDAR Resource Depression/Overhunting How recognize? Changing prey abundances % NISP of large and small taxa index ratios of large versus small taxa Is small game anthropogenic Burning
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Digital Antiquity Data Integration with tDAR Change in prey demographics Age of prey Fusion Change in element frequencies of large game (transport) FUI Increased processing of large game Condition (% complete) Weight
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Digital Antiquity Data Integration with tDAR Acknowledgments Andrew W. Mellon Foundation National Science Foundation National Endowment for the Humanities UK Joint Information Systems Committee Archaeology Data Service, University of York Digital Antiquity Board of Directors Sander van der Leeuw, Arizona State University (ASU) [chair] Carol Ackerson, Girl Scouts Arizona Cactus-Pine Council Jeffrey Altschul, SRI Foundation Kim Bullerdick, Owner, BI, L.L.C. John Howard, University College, Dublin Keith Kintigh, ASU Tim Kohler, Washington State University Fred Limp, University of Arkansas Harry Papp, L. Roy Papp & Associates Julian Richards, University of York Dean Snow, The Pennsylvania State University
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Digital Antiquity Data Integration with tDAR Questions? http://tdar.org http://tdar.org
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