223 citations · 913 across the 85 of their papers we have counts for
4 papers · 1 filter
Time Constrained Continuous Subgraph Search over Streaming Graphs
Youhuan Li, Lei Zou, M. Tamer Ozsu +1
The growing popularity of dynamic applications such as social networks provides a promising way to detect valuable information in real time. Efficient analysis over high-speed data…
Keyword Search on RDF Graphs - A Query Graph Assembly Approach
Shuo Han, Lei Zou, Jeffrey Xu Yu +1
Keyword search provides ordinary users an easy-to-use interface for querying RDF data. Given the input keywords, in this paper, we study how to assemble a query graph that is to re…
On The Marriage of SPARQL and Keywords
Peng Peng, Lei Zou, Dongyan Zhao
Although SPARQL has been the predominant query language over RDF graphs, some query intentions cannot be well captured by only using SPARQL syntax. On the other hand, the keyword s…
Processing SPARQL Queries Over Distributed RDF Graphs
Peng Peng, Lei Zou, M. Tamer Özsu +2
We propose techniques for processing SPARQL queries over a large RDF graph in a distributed environment. We adopt a "partial evaluation and assembly" framework. Answering a SPARQL…