Simplifying annotation support for real-world-settings: a comparative study of active reading Hartmut Obendorf Return to Hypermedia creation BIBTEX @inproceedings       {DBLP:conf/ht/Obendorf03,   author    = {Hartmut Obendorf},    booktitle = {Hypertext},    title     = {Simplifying annotation support for real-world-settings: a comparative study of active reading.},    pages     = {120-121},    year      = {2003},    url       = {db/conf/ht/ht2003.html#Obendorf03},    ee        = {http://doi.acm.org/10.1145/900076},    crossref  = {conf/ht/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery