A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2008; you can also visit the original URL.
The file type is application/pdf.
Filters
XML Publish/Subscribe
[chapter]
2009
Encyclopedia of Database Systems
Preserved Fulltext
SYNONYMS Selective XML dissemination, XML filtering, XML message brokering DEFINITION As stated in the entry "Publish/Subscribe over Streams", publish/subscribe (pub/sub) is a many-to-many communication ...
XML publish/subscribe is a publish/subscribe model in which messages are encoded in XML and subscriptions are written in an XML query language such as a subset of XQuery 1.0. 1 In XML-based pub/sub systems ...
Index-Filter [Bruno et al., 2003 ] builds indexes over both queries and streaming data. ...
doi:10.1007/978-0-387-39940-9_785
fatcat:c6k3eh2dbzghnbpkmgrtefk3vu
Efficient processing of continuous spatial-textual queries over geo-textual data stream
2022
Indonesian Journal of Electrical Engineering and Computer Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
The edit distancebased approach with the adaptive partitioning tree index for the queries is used for fuzzy string matching and it outperforms than the existing approaches in storage cost and query performance ...
The various continuous geo-keyword query processing methods normally lack the support for fuzzy keyword matching when processing the objects from the geo-textual data stream. ...
The index for finite queries was generated for efficient execution of spatial-keyword queries which are less dynamic than the streaming data. ...
doi:10.11591/ijeecs.v25.i2.pp1094-1102
fatcat:fhbyk22dofdozis4u3fhmirfh4
FMware: Middleware for Efficient Filtering and Matching of XML Messages with Local Data
[chapter]
2006
Lecture Notes in Computer Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
In this paper, we present an efficient middleware (FMware) for filtering and matching XML messages against locally available data. ...
An XML message filtering system needs to (a) process registered filter predicates on multiple distributed real-time streams and (b) match and validate the filter results with local data to identify the ...
Therefore, the collection of query patterns need to be indexed in-memory to enable real-time filtering of the data. ...
doi:10.1007/11925071_16
fatcat:yyp6rjt22ncwvfadxfwjmmdmya
GeoFlink: A Distributed and Scalable Framework for the Real-time Processing of Spatial Streams
[article]
2020
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Other Versions
To fill this gap, we present GeoFlink, which extends Apache Flink to support spatial data types, indexes and continuous queries over spatial data streams. ...
To enable the efficient processing of spatial continuous queries and for the effective data distribution across Flink cluster nodes, a gird-based index is introduced. ...
Furthermore, to enable efficient spatial query processing and data partitioning, a light-weight logical grid-based index is proposed. ...
arXiv:2004.03352v3
fatcat:c4bdzlkmjfgapkkh7jbaiox66m
Discovering Analytic Associate Rule Filtering on Multi-Dimensional Data Streams
2015
Research Journal of Applied Sciences Engineering and Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
To attain minimal phase shift based cost effective filtering on multidimensional data stream, Analytic Associate Rule Filtering (AARF) mechanism is proposed in this study. ...
The PaDSkyline framework in a distributed environment utilized intra group optimization and multi filtering technique for skyline query processing. ...
With the application of attribute independent criterion in AARF, filtering query traffic efficiency is enhanced. ...
doi:10.19026/rjaset.11.1862
fatcat:3hrwxt2rcbeepej6rcyyl2udcu
SDQuery DSI
2013
Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis on - SC '13
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
A number of optimizations, like parallel indexing, performance model for data subsetting, and parallel streaming are also applied. ...
We compare our SDQuery DSI with GridFTP default File DSI in different network environments, and show that our method can achieve better efficiency in almost all cases. ...
After reaching a certain number of streams (5 streams in this case), the efficiency is not improved. ...
doi:10.1145/2503210.2503270
dblp:conf/sc/SuWAK13
fatcat:4l7ksqgjbvgj3opsklmfxg7rlq
AxleDB: A novel programmable query processing platform on FPGA
2017
Microprocessors and microsystems
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
We evaluated AxleDB with five decision support queries from the TPC-H benchmark suite and achieved a speedup from 1.8X to 34.2X and energy efficiency from 2.8X to 62.1X, in comparison to the state-of-the-art ...
NEHIR SONMEZ, Barcelona Supercomputing Center (BSC)-nehir.sonmez@bsc.es With the rise of Big Data, providing high-performance query processing capabilities through the acceleration of the database analytic ...
In summary, the data streaming path #7 leads to i) read the lineT table from DDR-3, ii) filter the incoming data stream based on l shipdate item, iii) apply an arithmetic function for the filtered data ...
doi:10.1016/j.micpro.2017.04.018
fatcat:iwsyzrtoifhivn552ywwqk3ude
Comparative Evaluation of Data Stream Indexing Models
[article]
2012
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In data streams' applications, because of online monitoring, answering to the user's queries should be time and space efficient. ...
Stream indexing has main differences with approaches in traditional databases. Also, we compare data stream indexing models analytically that can provide a suitable method for stream indexing. ...
processing must only use forward-only file access. • Users can query and filter the index streams efficiently. ...
arXiv:1208.0684v1
fatcat:7ogfzglvxvenpmkzyakx2d5e4y
Demonstration of Taghreed: A system for querying, analyzing, and visualizing geotagged microblogs
2015
2015 IEEE 31st International Conference on Data Engineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2015; you can also visit the original URL.
The file type is application/pdf.
Taghreed indexer efficiently digests incoming microblogs with high arrival rates in light main-memory indexes. ...
When the memory becomes full, the memory contents are flushed to disk indexes which are managing billions of microblogs efficiently. ...
data indexing to be able to digest streaming data and support such queries interactively, i.e., the query answer is provided instantly. ...
doi:10.1109/icde.2015.7113390
dblp:conf/icde/0001AAMGGBM15
fatcat:khpz6ryvgbeqjijnsq65xvt2qm
Scalable Execution of KNN Queries using Data Parallelism Approach
2018
International Journal of Engineering & Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
The efficient and scalable processing of multiple continuous queries on dynamic data items requires query indexing and data indexing. ...
A lot of work has been done to deal with the computational complications in constant processing of continuous queries on unbounded, continuous data stream. ...
Another challenge is to handle the volume and density of streaming data and filter massive high dimensional data using query index. ...
doi:10.14419/ijet.v7i4.19.28286
fatcat:27xnmqoyzfg7vovqjyht25e4ku
An Efficient Indexing Approach for Continuous Spatial Approximate Keyword Queries over Geo-Textual Streaming Data
2019
ISPRS International Journal of Geo-Information
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
The state-of-the-art continuous spatial-keyword query indexing approaches generally lack both support for approximate keyword matching and high-performance processing for geo-textual streaming data. ...
Aiming to tackle this problem, this paper first proposes an indexing approach for efficient supporting of continuous spatial approximate keyword queries by integrating m i n - w i s e signatures into an ...
However, some issues complicate the efficient use of GPU for the streaming data filtering. ...
doi:10.3390/ijgi8020057
fatcat:aebnqztq7jc4fglkxyb5ovvc6u
Location based Continuous Query Processing over Geo-streaming Data
2021
Turkish Journal of Computer and Mathematics Education
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
In recent years, many data-intensive and location based applications have emerged that need to process stream data in applications such as network monitoring, telecommunications data management, and sensor ...
The indexing for finite queries is preferred to indexing on infinite data to avoid expensive operations of index maintenance. ...
As the data is coming continuous and in unbounded manner, so it becomes a big challenge to filter massive data stream efficiently using query index. ...
doi:10.17762/turcomat.v12i1s.1583
fatcat:3plnhwm2gvae7c5wgazafqhdye
Torpedo: Improving the State-of-the-Art RDF Dataset Slicing
2017
2017 IEEE 11th International Conference on Semantic Computing (ICSC)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
In this paper, we introduce Torpedo, an approach for efficiently selecting and extracting relevant subsets from RDF datasets. ...
In particular, Torpedo adds optimization techniques to reduce seek operations costs as well as the support of multi-join graph patterns and SPARQL FILTERs that enable to perform a more granular data selection ...
(2) The Query Engine executes the parser of the Filter clause and selects the relevant triples from the incoming data stream. ...
doi:10.1109/icsc.2017.79
dblp:conf/semco/MarxSSBSBWLNA17
fatcat:n7uge6mhurfelbnymoiw2dizee
Time- and Space-Efficient Sliding Window Top-k Query Processing
2015
ACM Transactions on Database Systems
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Thus a set of potential top-k/w objects has to be stored in memory while its size should be minimized to efficiently cope with high data streaming rates. ...
Probabilistic k-skyband is a novel data structure storing data stream objects from a sliding window with significant probability to become top-k/w objects in future. ...
of candidate objects in memory which allows efficient processing of data stream objects. ...
doi:10.1145/2736701
fatcat:4milbhuk4rhkde4dub5ek2yrdq
DATABASE SUPPORT FOR DATA-DRIVEN SCIENTIFIC APPLICATIONS IN THE GRID
2003
Parallel Processing Letters
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This system supports two core operations: efficient selection of the data of interest from distributed databases and efficient transfer of data from storage nodes to compute nodes for processing. ...
In this paper we describe a services oriented software system to provide basic database support for efficient execution of applications that make use of scientific datasets in the Grid. ...
The data partitioning filters are connected to the output streams of the indexing service and user-defined filters. These filters form a filter group that is executed in the inspector phase. ...
doi:10.1142/s0129626403001264
fatcat:3xasfxkq3ncttavs4vztlh2vfu
« Previous
Showing results 1 — 15 out of 25,770 results