WASET
    Neerja Bhatnagar and  Ben A. Juliano and  Renee S. Renner,  AnQL: A Query Language for Annotation Documents.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2007, vol. 8(8). 2444 - 2451
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/6731.