Caroline M. Eastman, Bernard J. Jansen. Coverage, relevance, and ranking: The impact of query operators on Web search engine results. ACM Trans. Inf. Syst., 21(4):383-411, 2003. [doi]
@article{EastmanJ03,
title = {Coverage, relevance, and ranking: The impact of query operators on Web search engine results},
author = {Caroline M. Eastman and Bernard J. Jansen},
year = {2003},
doi = {10.1145/944012.944015},
url = {http://doi.acm.org/10.1145/944012.944015},
tags = {search, coverage},
researchr = {https://researchr.org/publication/EastmanJ03},
cites = {0},
citedby = {0},
journal = {ACM Trans. Inf. Syst.},
volume = {21},
number = {4},
pages = {383-411},
}