Efficient keyword search on large tree structured datasets
Aggeliki Dimitriou, Dimitri Theodoratos · 2012
Keyword search is the most popular paradigm for querying XML data on the web. In this context, three challenging problems are (a) to avoid missing useful results in the answer set, (b) to rank the results with respect to some relevance criterion and (c) to design algorithms that can efficiently compute the results on large datasets.