1. Navigating Cultural Heritage Collections using Pathways N. Aletras, P.D. Clough, S. Fernando, N.Ford, P. Goodale, M.M. Hall, M. Stevenson University of Sheffield Information School / Department of Computer Science Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September

2. Opening Up Digital Cultural Heritage Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September http://www.flickr.com/photos/usnationalarchives/4069633668/ Carl Collins http://www.flickr.com/photos/carlcollins/199792939/ http://www.flickr.com/photos/brokenthoughts/122096903/

3. Opening Up Digital Cultural Heritage Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September http://www.flickr.com/photos/28481088@N00/3731283554/

4. Cutting Paths through DCH Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September http://www.flickr.com/photos/28481088@N00/3731283554/ Leeds Town Hall Leeds City Art Gallery – Entrance Leeds City Art Gallery - Interior On The Headrow, sandwiched between the Central Library and Henry Moore Institute. The grand interior houses a notable collection of fine art and the cafe in the recently renovated Victorian Tiled Hall is well worth a visit. The unremarkable exterior architecture is overshadowed by a large broze sculpture by Henry Moore.

5. Cutting Paths through DCH Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September http://www.flickr.com/photos/28481088@N00/3731283554/ Follow Paths Explore the Collection Share their own Paths

6. Our Collections Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September CollectionLanguageNumber & Type of Items Culture GridEnglish547,741 Images HispanaSpanish1,129,640 Texts 105,493 Images Cervantes VirtualSpanish19278 Texts

7. Filtering the Data Some items have very limited meta-data Tried filtering these to improve the user- experience –Discard all items that have no description, or title 100 times –Discard all items that have no description, and title 100 times Results improved but not quite sufficient Plans: Show users interesting items first Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September

8. Cutting Paths through DCH Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September Leeds Town Hall Leeds City Art Gallery – Entrance Leeds City Art Gallery - Interior Background Information Keywords Search facets Thesauri / Vocabularies Similar Items

9. Use Latent Dirichlet Allocation to automatically determine a set of 700 topics in the collection –Similarity calculated based on which topics an item belongs to –Show the 25 most-similar topics to the user Plans: –Produce more diverse similar items –Limit based on meta-data (similar items in the from the same source,...) Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September

10. Keywords / Search Facets Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September

11. Thesauri / Vocabularies Existing meta-data is not consistent in use of thesauri / vocabularies Automatically map to a number of manually and automatically generated thesauri / vocabularies –LCSH, Wikipedia categories, DBpedia ontology, Wordnet domains, Wordnet, LDA-based hierarchy, Wikipedia article hierarchy Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September

12. Background Information Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September Painting of a fen landscape A fen is one of the four main types of wetland, and is usually fed by mineral-rich surface water or groundwater wetland Automatically link items to Wikipedia articles that are related

13. Creating & Sharing Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September Leeds Town Hall Leeds City Art Gallery – Entrance Leeds City Art Gallery - Interior Keywords Search facets Thesauri / Vocabularies Similar Items Add to Workspace Create your own Path!

14. Evaluation Just finished the first round of full-scale evaluation (31 participants) –Thumbnails a must (bigger is better) –Contextual information appreciated –Search / Browse patterns seem to be different –Desires Paths that can branch On-line help Better integration Digital Humanities Congress 2012, Sheffield, 6 th – 8 th September

15. Thank you for listening m.mhall@sheffield.ac.uk http://www.paths-project.eu Find out more at: The research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement no 270082. We acknowledge the contribution of all project partners involved in PATHS (see: http://www.paths-project.eu).http://www.paths-project.eu http://prototype.paths-project.eu Try it out at: