@article{hl2006thedigital,
        title={The Digital Opera House: An Architecture for Multimedia Databases},
        author = {Haus, Goffredo and Ludovico, Luca Andrea},
        journal = {Journal of Cultural Heritage},
        volume = {7},
        number = {2},
        publisher = {Elsevier B.V.},
        year = {2006},
        pages = {92--97},
        issn = {1296-2074},
        doi = {10.1016/j.culher.2006.02.007}
}