Transcription of Querying Knowledge Graphs by Example Entity Tuples
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Querying Knowledge Graphs by Example Entity Tuples
1 Querying Knowledge Graphs byExample Entity Tuples Nandish Jayaram, Arijit Khan, Chengkai LiMember, IEEE, Xifeng YanMember, IEEE, Ramez ElmasriAbstract We witness an unprecedented proliferation of Knowledge Graphs that record millions of entities and their Knowledge Graphs are structure-flexible and content-rich, they are difficult to use. The challenge lies in the gap between theiroverwhelming complexity and the limited database Knowledge of non-professional users. If writing structured queriesover simple tables is difficult, complex Graphs are only harder to an initial step toward improving the usability of Knowledge Graphs ,we propose to query such data by Example Entity Tuples , without requiring users to form complex graph queries.
GQBEruns queries on knowledge data graphs. A datagraph is a directed multi-graph G with node set V(G) and edge set E(G). Each node v∈V(G)represents an entity and has a unique identifier id(v). 2 Each edge e=(v i,v j)∈E(G)denotes a directed relationship from entity v i to entity v j. It has a label, denoted as label(e). Multiple edges can ...
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