A Fuzzy Spatial Querying Model for Improving Apartment Web Services [PDF]
An apartment web service is a web site intended to provide online services to the residents. With the availability of global positioning systems and the development of new technologies, the access of geo-spatial information has drawn great attention for ...
Huiqing Yang
doaj
Content based image retrieval by combining features and query-by-sketch [PDF]
This paper reports an approach to improve content-based image retrieval systems. Most current systems are based on a single technique for feature extraction and similarity search.
Lu, Joan, Pein, Raoul Pascal
core +3 more sources
A novel multi-objective SKG-skyline algorithm integrating spatial keyword data transformation
The spatial keyword skyline query effectively addresses user preferences, particularly for location-based service applications. However, existing approaches primarily focus on single-object queries and remain unsuitable for group-based computations.
Xiaowei Cui +5 more
doaj +1 more source
NITELIGHT: A Graphical Tool for Semantic Query Construction
Query formulation is a key aspect of information retrieval, contributing to both the efficiency and usability of many semantic applications. A number of query languages, such as SPARQL, have been developed for the Semantic Web; however, there are, as yet,
Smart, Paul R. +3 more
core +1 more source
Time-variant interest community based query message routing algorithm in opportunity social network
To solve the problem that the successful rate of resource query is low in opportunity social network,a query message routing algorithm based on time-variant interest community was proposed.Two well-known mobile social datasets were firstly analyzed,and ...
Junlei BI, Zhiyuan LI
doaj +2 more sources
Defining and designing spatial queries: the role of spatial relationships
Spatial relationships are core components in the design and definition of spatial queries. A spatial relationship determines how two or more spatial objects are related or connected in space.
Anderson Chaves Carniel
doaj +1 more source
Potentials for improving query processing in spatial databse systems [PDF]
Kriegel, Hans-Peter +2 more
core +1 more source
SparkGIS: Resource Aware Efficient In-Memory Spatial Query Processing. [PDF]
Baig F, Vo H, Kurc T, Saltz J, Wang F.
europepmc +1 more source
iSPEED: a Scalable and Distributed In-Memory Based Spatial Query System for Large and Structurally Complex 3D Data. [PDF]
Vo H, Liang Y, Kong J, Wang F.
europepmc +1 more source
Open issues in semantic query optimization in relational DBMS [PDF]
After two decades of research into Semantic Query Optimization (SQO) there is clear agreement as to the efficacy of SQO. However, although there are some experimental implementations there are still no commercial implementations.
Genet, Bryan Howard, Hinze, Annika
core

