In this paper, we introduce Linked Open Data (LOD) in the archaeological domain as a means to connect dispersed data sources and enable cross-querying. The technology behind the design principles and how LOD can be created and published is described to enable less-familiar researchers to understand the presented benefits and drawbacks of LOD. Wikidata is introduced as an open knowledge hub for the creation and dissemination of LOD. Different actors within archaeology have implemented LOD, and we present which challenges have been and are being addressed. A selection of projects showcases how Wikidata is being used by archaeologists to enrich and open their databases to the general public. With this paper, we aim to encourage the creation and re-use of LOD in archaeology, as we believe it offers an improvement on current data publishing practices.

The IANUS project, funded by the German Research Foundation (DFG), is building a digital archive and portal for archaeology and ancient studies in Germany. Following a 3-year phase of conceptual work, the archive and portal are now being implemented and the data center is beginning its operational work. Data curation is essential for preservation of digital data and helps to detect errors, aggregate documentation, and ensure the reusability of data; in some cases, it can also add useful additional files and functionality. This paper presents the workflow of data curation based on a data collection about European vertebrate fauna. It exemplifies the different stages of processing a dataset at IANUS according to the OAIS modelfrom its initial submission until its final presentation on the data portal. Data access and reusability can be enhanced by enrichment, in the case of the vertebrate fauna dataset, by GIS integration of geographic information and reutilization of bibliography. Furthermore, a data re-use scenario is presented in which the dataset has been integrated with one from another repository by using Semantic Web technologies.

Abstract. Graffiti is a short-lived form of heritage balancing between tangible and intangible, offensive and pleasant. Graffiti makes people laugh, wonder, angry, think. These conflicting traits are all present along Vienna's Donaukanal (Eng. Danube Canal), a recreational hotspot – located in the city's heart – famous for its endless display of graffiti. The graffiti-focused heritage science project INDIGO aims to build the basis to systematically document, monitor, and analyse circa 13 km of Donaukanal graffiti in the next decade. The first part of this paper details INDIGO's goals and overarching methodological framework, simultaneously placing it into the broader landscape of graffiti research. The second part of the text concentrates on INDIGO's graffiti documentation activities. Given the project's aim to create a spatially, spectrally, and temporally accurate record of all possible mark-makings attached in (il)legal ways to the public urban surfaces of the Donaukanal, it seems appropriate to provide insights on the photographic plus image-based modelling activities that form the foundation of INDIGO's graffiti recording strategy. The text ends with some envisioned strategies to streamline image acquisition and process the anticipated hundreds of thousands of images.

In Austria, archaeological research and excavation practice is shaped by a legislative framework and institutional actors. Besides the institutions, the role of private archaeological contractors has grown in the last decade and recently non-commercial associations have been founded. According to the Austrian Monument Protection Act, the Federal Monuments Authority issues permits for any archaeological excavation or survey activity. Documentation and preservation of physical material are regulated by the Monument Protection Act as well as by dedicated guidelines published by the Federal Monuments Authority. With the recent increased use of digital methods, the importance of preserving and disseminating digital data has risen. Although the Austrian government pursues a digitisation agenda including the promotion of Open Science, the availability of repositories suitable for long-term preservation of digital data does not meet the requirements arising from the ever-increasing amount of data.