org/|Spark]].
This information consists of i) the query workload ii) the source code for both data preparation and query evaluation, and iii) the description of two data... an be directly executed in the spark shell.
=====Query workload====
We picked three queries from the [[h... t, namely #2, #9 and #12
which are referred to as Query 2, Query 3 and Query 4, respectively.
We have cre
org/|Spark]].
This information consists of i) the query workload ii) the source code for both data preparation and query evaluation, and iii) the description of two data... an be directly executed in the spark shell.
=====Query workload====
We picked three queries from the [[h... t, namely #2, #9 and #12
which are referred to as Query 2, Query 3 and Query 4, respectively.
We have cre
d radio stations now publish their blog postings, query results, latest news headlines or product offers ... ocument trees that can be queried by standard XML query languages (XQuery/XPath). In reaction to recogniz... tp://www.blogdigger.com/
<del>=== Data stream query processing ===
RSS feeds can logically be consid... ly as data streams continue to arrive. Continuous query results may be stored and updated as new data arr
**<fc #ff0000>tutoriel en ligne</fc>** [[https://query-tutorial.couchbase.com/tutorial/#1|Accès Couchbas... ligne]] et de saisir les requêtes dans l'onglet 'Query' et d'observer les résultats dans l'onglet 'Resu... loggedin>
**<fc #ff0000>Réponses</fc>**
[[https://query-tutorial.couchbase.com/tutorial/#33]]
<code>
SELE... oggedin>
**<fc #ff0000>Réponses</fc>**
[[https://query-tutorial.couchbase.com/tutorial/#34]]
<code>
SELE
any
existing XML (XQuery, XPath) or RDF (Sparql) query language((Formally speaking, RSS feeds follow the... "RSS graphs" naturally can be queried by any XML query language (no complex semantic path expressions).)), the combination of RSS syndication, XML query processing and distributed data and query processing creates new technical and scientific challenges th
{{indexmenu_n>2}}
====== SPARQL query processing with Apache Spark ======
This wiki is a companion to t... k]]
* [[https://arxiv.org/abs/1604.08903|SPARQL query processing with Apache Spark]]
* [[https://hal.... -ouvertes.fr/hal-01214900|HAQWA: a Hash-based and Query Workload Aware Distributed RDF Store]]
* [[http... tion of [[https://arxiv.org/abs/1604.08903|SPARQL query processing with Apache Spark]].
See also [[en:si
====== SPARQL query processing with Apache Spark ======
This wiki is a companion to the following publica... k]]
* [[https://arxiv.org/abs/1604.08903|SPARQL query processing with Apache Spark]]
* [[https://hal.... -ouvertes.fr/hal-01214900|HAQWA: a Hash-based and Query Workload Aware Distributed RDF Store]]
* [[http... tion of [[https://arxiv.org/abs/1604.08903|SPARQL query processing with Apache Spark]].
See also [[en:si
d aggregation and filtering we worked in on multi-query optimisation (PhD J. Creus), on efficient refresh... tion with the MLIA team), and on continuous top-k query processing (PhD of N. Vouzoukidou in collaboratio... observed natural species. To overcome
the limited query capacities of GBIF database interfaces, we propos... utions are a decentralized algorithm for
parallel query processing and a cost-based placement and replica
d aggregation and filtering we worked in on multi-query optimisation (PhD J. Creus), on efficient refresh... tion with the MLIA team), and on continuous top-k query processing (PhD of N. Vouzoukidou in collaboratio... observed natural species. To overcome
the limited query capacities of GBIF database interfaces, we propos... utions are a decentralized algorithm for
parallel query processing and a cost-based placement and replica
management technologies (XML datawarehouses, XML query languages (Xquery/XPath)) can be adapted for defi... ill be the basis for the definition of an XML-RSS query language, as an extension of XQuery.
The second ... w specification into an XML-RSS algebraic plan or query.
* The implementation of this application build... A. Malhotra, M. Rys, J. Siméon P. Wadler, The XML Query Algebra, W3C Working Draft 04 December 2000
[FH
control and replication, XML data management, P2P query routing). He chairs the Respire ARA-MD ANR projec... s research mainly concerns cost-based distributed query and tansaction optimization over database cluster... e representation and the manipulation (models and query langages) of complex XML data (multistructured XM... L databases. He is interested in document models, query language definition, and security in document con