Microsoft Technology Licensing, LLC

Anthony Acquah

Jan-Ove Almli Karlberg

Tor Kreutzer

Anders Tungeland Gjerdrum

Theodoros Gkountouvas

Iqra Ali

Ronny Jensen

Kai-Marius Pedersen

Example solutions for performing federated graph queries use schemas and include: generating a logical graph using a query input and generating a physical plan using a query planning schema for double-nested loops, the outer loop for each permutation of data stores in a set of data stores, and the inner loop for each data store—ceasing when the logical graph has been fully consumed. A query cost is determined for each of the permutations, and a physical plan is selected based on the query cost, for example minimizing the query cost, and the query is executed based on the selected physical plan. The cost may be determined based on a weighted combination of factors such as freshness of the data, latency, power consumption, environmental impact (e.g., carbon footprint), energy efficiency, and network burden.

Distribution of federated graph queries using schemas

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Oslo, Norway

Anthony Acquah