TY - JOUR T1 - Web crawling ethics revisited: Cost, privacy, and denial of service JO - Journal of the American Society for Information Science and Technology UR - http://dx.doi.org/10.1002/asi.20388 PY - 2006/01/01 AU - Thelwall M AU - Stuart D ED - DO - DOI: 10.1002/asi.20388 PB - Wiley VL - 57 IS - 13 SP - 1771 EP - 1779 Y2 - 2024/09/19 ER -