Results 31 to 40 of about 650,464 (329)
Context-Free Path Querying by Matrix Multiplication
, 2017 Graph data models are widely used in many areas, for example, bioinformatics, graph databases. In these areas, it is often required to process queries for large graphs. Some of the most common graph queries are navigational queries.
Azimov, Rustam, Grigorev, Semyon
core +1 more source
A locally weighted learning method based on a data gravitation model for multi-target regression
International Journal of Computational Intelligence Systems, 2018 Locally weighted regression allows to adjust the regression models to nearby data of a query example. In this paper, a locally weighted regression method for the multi-target regression problem is proposed.
Oscar Reyes +3 more
doaj +1 more source
Horizontably Scalable LSM-tree Based Index for Full-Text Search Boolean Queries
Современные информационные технологии и IT-образование, 2022 Let there be a set of objects, where each object is characterized by Boolean features. Let logical query or Boolean query denote a query to find objects characterized by a Boolean function by features, for example, “documents with all words ...and any ...
Aleksei Neganov
doaj +1 more source
Pay One, Get Hundreds for Free: Reducing Cloud Costs through Shared Query Execution
, 2018 Cloud-based data analysis is nowadays common practice because of the lower system management overhead as well as the pay-as-you-go pricing model. The pricing model, however, is not always suitable for query processing as heavy use results in high costs ...
Chen Chung-Min +6 more
core +1 more source
Partial-sum queries in OLAP data cubes using covering codes [PDF]
, 1997 A partial-sum query obtains the summation over a set of specified cells of a data cube. We establish a connection between the covering problem in the theory of error-correcting codes and the partial-sum problem and use this connection to devise ...
Ching-tien Ho +4 more
core +3 more sources
Ranking Large Temporal Data [PDF]
, 2012 Ranking temporal data has not been studied until recently, even though ranking is an important operator (being promoted as a firstclass citizen) in database systems.
Jestes, Jeffrey +3 more
core +3 more sources
Function Assistant: A Tool for NL Querying of APIs
, 2017 In this paper, we describe Function Assistant, a lightweight Python-based toolkit for querying and exploring source code repositories using natural language.
Kuhn, Jonas, Richardson, Kyle
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Purpose Retinoblastoma (RB) is the most common pediatric ocular cancer, yet population‐based data on survival and risk factors remain limited. This study aimed to describe survival in a large national RB cohort and identify predictors of death and complications.
Samuel Sassine +14 more
wiley +1 more source
Efficient Graph Similarity Search in External Memory
IEEE Access, 2017 Many real-world applications, such as bioinformatics, data mining, pattern recognition, and social network analysis, benefit from efficient solutions for the graph similarity search problem.
Xiaoyang Chen +3 more
doaj +1 more source
Reverse k Nearest Neighbor Search over Trajectories [PDF]
, 2017 GPS enables mobile devices to continuously provide new opportunities to improve our daily lives. For example, the data collected in applications created by Uber or Public Transport Authorities can be used to plan transportation routes, estimate ...
Bao, Zhifeng +4 more
core +1 more source