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Pilot Case 2 - Sardinia, Italy

Pilot's Context

Located in the Is Pirixeddus necropolis at Sulky, Sant’Antioco, the Tomb of the Egyptian is a 5th-century BC Punic burial monument notable for its strong Egyptian cultural influences. The tomb is reached by a corridor of thirteen steps leading down to a trapezoidal burial chamber with a flat roof and a free-standing central pillar.

The central pillar is the most distinctive feature of the tomb. It is decorated with a rare high-relief male figure facing the entrance, shown wearing a simple kilt and a traditional Egyptian klaft headdress. Traces of red and black paint add further detail, and the figure is generally interpreted as an allusive representation of the deceased, likely an eminent member of the Punic community of Sulky.

The chamber walls are richly decorated with broad red painted bands and squares, framing both real and virtual rock-cut niches. Among these is a painted “false door,” a motif closely connected with Egyptian funerary tradition. Inside the tomb, archaeologists found a wooden sarcophagus resting on a wooden litter supported by stone blocks, together with grave goods such as an amphora and a lamp. Ritual offerings, including bird eggs and partridge remains, were also discovered on the floor and inside wall niches.

The Tomb of the Egyptian is therefore an important example of cultural synthesis in the Punic Mediterranean, combining local funerary practices with Egyptian-inspired architecture, decoration, and ritual symbolism. Within EXCALIBUR, the site will be utilized as a real-world testing ground for the project’s holistic framework through advanced documentation, digital twinning, conservation and risk management, bioarcheological  study and cultural narratives.

Main Goals

High-Fidelity Documentation

Implement advanced Multi-Light Image Collections (MLIC) and photogrammetry to capture the intricate painted decorations and bas-reliefs of the central pillar

Conservation Assessment

Utilize risk mapping and structural analysis to monitor the serious state of decay affecting the wooden sarcophagus and the stability of the rock-cut burial room

Integrated Bioarchaeology

Apply specialized toolkits to study any human remains found, linking biological profiles with the tomb's archaeological and ritual data

Ethnographic Storyliving

Create immersive virtual experiences that blend the ancient physical remnants with their social and cultural context, "unearthing" the stories hidden within the Punic-Egyptian burial traditions

Toolkit Validation

Serve as a real-world testing ground for the EXCALIBUR interoperable platform, ensuring tool usability for cultural heritage practitioners in complex indoor environments

EXCALIBUR Toolkits Utlized

TK 1: Improved MLIC capture and processing techniques

High-fidelity surface imaging of the tomb's bas-reliefs and paintings

TK 2: Risk mapping toolkit for tracking material degradation

Tracking structural and material degradation of the rock-cut room and wooden findings

TK 3: Immersive visualisation component for combined representations

Combining 3D surface scans with internal CT-scans of artefacts or remains

TK 4: Empowered Chatbot

Providing a natural language interface to query the site's knowledge graph

TK 5: AI for Cultural Heritage

Automating digitisation, feature recognition, and surface refinement

TK 6: Collaborative excavation XR diary in VR

Assisting researchers with on-site AR documentation and remote VR curation

TK 7: Comprehensive toolkit for bioarchaeology and biological anthropology

Standardising the digital study of any human remains found within the context

TK 8: Empowered toolkit for smart assistance in planning, safeguarding and decision making for CH

AI-empowered simulations for planning conservation and risk management

TK 9: Multimodal semantic data fusion

Integrating heterogeneous data (text, 3D, images) into a unified knowledge graph

TK 10: Interoperable human-centred platform to upload and update cultural assets

Centralised web-based hub for uploading and managing the pilot's digital assets

TK 11: Ethnographic storyliving experiences creator for virtual worlds

Developing immersive narratives based on Sulky’s funerary rituals

TK 12: Advanced digitisation toolkit

High-definition XR interpretation and photogrammetry for burial findings

Involved Partners

SA

Facilitates access to and domain expertise for the Is Pirixeddus necropolis at Sulky (Sant’Antioco), Italy.

CRS4

Leads high-fidelity Multi-Light Image Collection capture (TK1)

IHU

Develops risk mapping for material degradation (TK2) and contributes to bioarchaeological tools (TK7), AI solutions (TK5), and smart safeguarding assistance (TK8)

LMU

Contributes an empowered CH chatbot (TK4), AI solutions (TK5), collaborative XR diaries (TK6), smart safeguarding assistance (TK8), and ethnographic storyliving tools (TK11)

ECOE

Provides AI solutions for cultural heritage (TK5), collaborative XR diaries (TK6), and empowered toolkits for smart assistance in planning and safeguarding (TK8)

CTL

Delivers multimodal semantic data fusion (TK9), the interoperable human-centred platform (TK10), AI tools (TK5), and ethnographic storyliving tools (TK11)

CERTH

Develops immersive visualisations (TK3), collaborative XR diaries (TK6), ethnographic storyliving (TK11), smart safeguarding assistance (TK8), and AI tools (TK5)

PIX4D

Supplies the advanced digitisation toolkit (TK12) along with AI solutions (TK5) and collaborative XR diaries (TK6)

DUTH

Coordinates the comprehensive toolkit for bioarchaeology and biological anthropology (TK7) and collaborates on ethnographic storyliving tools (TK11)

CWI

Provides immersive visualisation components for combined representations (TK3) and AI solutions for cultural heritage (TK5)

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