@article{BovaGanianSzeider16b,
 author = {Simone Bova and Robert Ganian and Stefan Szeider},
 doi = {10.1016/j.tcs.2016.01.010},
 journal = {Theoretical Computer Science},
 keywords = {xtract},
 pages = {72--84},
 title = {Quantified Conjunctive Queries on Partially Ordered Sets},
 url = {http://arxiv.org/abs/1408.4263},
 volume = {618},
 year = {2016}
}