Alexander Shkapsky
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View article: Scaling-up reasoning and advanced analytics on BigData
Scaling-up reasoning and advanced analytics on BigData Open
BigDatalog is an extension of Datalog that achieves performance and scalability on both Apache Spark and multicore systems to the point that its graph analytics outperform those written in GraphX. Looking back, we see how this realizes the…
View article: Scaling-Up Reasoning and Advanced Analytics on BigData
Scaling-Up Reasoning and Advanced Analytics on BigData Open
BigDatalog is an extension of Datalog that achieves performance and scalability on both Apache Spark and multicore systems to the point that its graph analytics outperform those written in GraphX. Looking back, we see how this realizes the…
View article: Declarative Algorithms in Datalog with Extrema: Their Formal Semantics Simplified
Declarative Algorithms in Datalog with Extrema: Their Formal Semantics Simplified Open
Recent advances are making possible the use of aggregates in recursive queries thus enabling the declarative expression classic algorithms and their efficient and scalable implementation. These advances rely the notion of Pre-Mappability (…
View article: Fixpoint semantics and optimization of recursive Datalog programs with aggregates
Fixpoint semantics and optimization of recursive Datalog programs with aggregates Open
A very desirable Datalog extension investigated by many researchers in the last 30 years consists in allowing the use of the basic SQL aggregates min , max , count and sum in recursive rules. In this paper, we propose a simple comprehensiv…
View article: Fixpoint Semantics and Optimization of Recursive Datalog Programs with\n Aggregates
Fixpoint Semantics and Optimization of Recursive Datalog Programs with\n Aggregates Open
A very desirable Datalog extension investigated by many researchers in the\nlast thirty years consists in allowing the use of the basic SQL aggregates min,\nmax, count and sum in recursive rules. In this paper, we propose a simple\ncompreh…
View article: Big Data Analytics with Datalog Queries on Spark
Big Data Analytics with Datalog Queries on Spark Open
There is great interest in exploiting the opportunity provided by cloud computing platforms for large-scale analytics. Among these platforms, Apache Spark is growing in popularity for machine learning and graph analytics. Developing effici…
View article: A Declarative Language for Advanced Analytics and its Scalable Implementation
A Declarative Language for Advanced Analytics and its Scalable Implementation Open
Advanced analytics are used to discover hidden patterns and trends in massive datasets. Great strides have been made by researchers to provide computational models, systems and accompanying languages for analytics. However, there is still …