• HEDC++

  • Referenced in 1 article [sw12224]
  • used in traditional databases to support query optimization, and histograms are of particular interest. Naturally ... histograms could be used to support query optimization and efficient utilization of computing resources ... provide helpful reference information for generating optimal query plans, and generate basic statistics useful...
  • GraphREL

  • Referenced in 2 articles [sw18897]
  • multimedia. Retrieving related graphs containing a query graph from a large graph database ... derive much of their performance from sophisticated optimizer components which makes use of physical properties ... study the problem of indexing and querying graph databases using the relational infrastructure. We propose ... trees indexes and influencing the relational query optimizers by selectivity annotations to reduce the access...
  • HiBISCuS

  • Referenced in 2 articles [sw36021]
  • Selection for SPARQL Endpoint Federation. Efficient federated query processing is of significant importance to tame ... Previous works have focused on generating optimized query execution plans for fast result retrieval. However...
  • AQuES

  • Referenced in 1 article [sw02071]
  • distributed system for the optimization and evaluation of relational queries. Parallel query evaluation for relational ... addressing the issues of optimization and evaluation of relational queries for a distributed and dynamic ... implementation of a new query optimization algorithm; and 4) the concept and the implementation ... parallel execution, which enables runtime optimization of queries. Furthermore, the design supports the extension...
  • MASTRO

  • Referenced in 7 articles [sw35563]
  • systems through semantic mappings that associate SQL queries over the external data to the elements ... enabled over the ontologies. Optimized algorithms for answering expressive queries are provided, as well...
  • ADST

  • Referenced in 3 articles [sw02441]
  • answer to range search queries with an optimal worst-case cost of O(k) messages ... number of servers covering the query range. Moreover, our structure has an amortized almost constant ... cost for any single-key query. Hence, our proposal is the first solution combining ... optimal worst-case cost for range queries featured by order preserving techniques...
  • DIAL

  • Referenced in 6 articles [sw13837]
  • aligned positions ai , bj from the optimal alignment. If a non-zero suboptimal alignment score ... user-specified 3D motif. The query motif may be contiguous in the linear chain ... superposition for the optimal (and suboptimal) alignment of query to target. Although graphical output...
  • LinqOptimizer

  • Referenced in 1 article [sw21720]
  • LinqOptimizer: An automatic query optimizer for LINQ to Objects and PLINQ. An automatic query optimizer ... lift query sources into the world of Expression trees and after various transformations-optimizations...
  • OptARQ

  • Referenced in 1 article [sw36022]
  • OptARQ: A SPARQL Optimization Approach based on Triple Pattern Selectivity Estimation. Query engines for ontological ... graph models mostly execute user queries without considering any optimization. Especially for large ontologies, optimization ... first prototype for SPARQL query optimization based on the concept of triple pattern selectivity estimation ... reordering according to their selectivity affects the query execution performance...
  • CCUBE

  • Referenced in 5 articles [sw17366]
  • implementation and optimization of high-level constraint object-oriented query languages as well ... which serve as an optimization-level language for object-oriented queries. The data model ... objects are constructed, manipulated and queried by means of the constraint calculus. The model ... monoid comprehensions to allow deeply interleaved global optimization...
  • Signal-3L

  • Referenced in 16 articles [sw26857]
  • three progressively deepening layers: (1) identifying a query protein as secretory or non-secretory ... formed by fusing many individual OET-KNN (optimized evidence-theoretic K nearest neighbor) classifiers operated ... possible signal peptide cleavage sites of a query secretory protein by a subsite-coupled discrimination...
  • GADDI

  • Referenced in 6 articles [sw18895]
  • find matches of the query graph. GADDI is further optimized...
  • dbRouter

  • Referenced in 1 article [sw01474]
  • dbRouter -- A scaleable and distributed query optimization and processing framework...
  • Q*cert

  • Referenced in 1 article [sw28675]
  • with simple but functional and extensible query optimizers. We demonstrate how the platform...
  • OPTIMIZER

  • Referenced in 4 articles [sw17358]
  • maximize the optimization with the fewest changes in the query sequence. One of the main...
  • Racer

  • Referenced in 65 articles [sw09837]
  • knowledge representation system that implements a highly optimized tableau calculus for the description logic SRIQ ... powerful and semantically well-defined conjunctive query language nRQL (new Racer Query Language...
  • FooCA

  • Referenced in 2 articles [sw11688]
  • step how to run new, optimized search queries for his personal information needs...
  • GeMDA

  • Referenced in 2 articles [sw01635]
  • hand, if the predicate of a selection query includes an attribute other than the partitioning ... optimized for a certain type of queries (e.g., DM, HCAM, etc.). In this paper ... performs well for general queries. We prove its optimality properties, and present experimental results showing...
  • PITA

  • Referenced in 19 articles [sw06950]
  • PRISM system reduces the complexity of query answering by restricting the form of programs ... supports the restricted PLP of PRISM, including optimizations that reduce non-discriminating arguments ... competitive with PRISM for complex queries to Hidden Markov Model examples, and sometimes much faster...
  • BLAT

  • Referenced in 36 articles [sw16891]
  • genome likely to be homologous to the query sequence. It performs an alignment between homologous ... feasible. This paper describes how BLAT was optimized. Effects on speed and sensitivity are explored...