Pat, you are absolutely right! I increased the sleep time and now the
integration test for handmade works perfectly.
However, the integration test adapted to run with my tiny app runs into the
same problem I've been having with this app:
[ERROR] [TaskSetManager] Task 1.0 in stage 10.0 (TID 23) had a not
serializable result: org.apache.mahout.math.RandomAccessSparseVector
Serialization stack:
- object not serializable (class:
org.apache.mahout.math.RandomAccessSparseVector, value:
{66:1.0,29:1.0,70:1.0,91:1.0,58:1.0,37:1.0,13:1.0,8:1.0,94:1.0,30:1.0,57:1.0,22:1.0,20:1.0,35:1.0,97:1.0,60:1.0,27:1.0,72:1.0,3:1.0,34:1.0,77:1.0,46:1.0,81:1.0,86:1.0,43:1.0})
- field (class: scala.Tuple2, name: _2, type: class java.lang.Object)
- object (class scala.Tuple2,
(1,{66:1.0,29:1.0,70:1.0,91:1.0,58:1.0,37:1.0,13:1.0,8:1.0,94:1.0,30:1.0,57:1.0,22:1.0,20:1.0,35:1.0,97:1.0,60:1.0,27:1.0,72:1.0,3:1.0,34:1.0,77:1.0,46:1.0,81:1.0,86:1.0,43:1.0}));
not retrying
[ERROR] [TaskSetManager] Task 2.0 in stage 10.0 (TID 24) had a not
serializable result: org.apache.mahout.math.RandomAccessSparseVector
Serialization stack:
...
Any ideas?
On 15 October 2017 at 19:09, Pat Ferrel <p...@occamsmachete.com> wrote:
> This is probably a timing issue in the integration test, which has to wait
> for `pio deploy` to finish before the queries can be made. If it doesn’t
> finish the queries will fail. By the time the rest of the test quits the
> model has been deployed so you can run queries. In the integration-test
> script increase the delay after `pio deploy…` and see if it passes then.
>
> This is probably an integrtion-test script problem not a problem in the
> system
>
>
>
> On Oct 6, 2017, at 4:21 AM, Noelia Osés Fernández <no...@vicomtech.org>
> wrote:
>
> Pat,
>
> I have run the integration test for the handmade example out of curiosity.
> Strangely enough things go more or less as expected apart from the fact
> that I get a message saying:
>
>
>
>
>
>
>
>
>
>
> *...[INFO] [CoreWorkflow$] Updating engine instance[INFO] [CoreWorkflow$]
> Training completed successfully.Model will remain deployed after this
> testWaiting 30 seconds for the server to startnohup: redirecting stderr to
> stdout % Total % Received % Xferd Average Speed Time Time
> Time Current Dload Upload Total
> Spent Left Speed 0 0 0 0 0 0 0 0 --:--:--
> --:--:-- --:--:-- 0curl: (7) Failed to connect to localhost port 8000:
> Connection refused*
> So the integration test does not manage to get the recommendations even
> though the model trained and deployed successfully. However, as soon as the
> integration test finishes, on the same terminal, I can get the
> recommendations by doing the following:
>
> $ curl -H "Content-Type: application/json" -d '
> > {
> > "user": "u1"
> > }' http://localhost:8000/queries.json
> {"itemScores":[{"item":"Nexus","score":0.057719700038433075}
> ,{"item":"Surface","score":0.0}]}
>
> Isn't this odd? Can you guess what's going on?
>
> Thank you very much for all your support!
> noelia
>
>
>
> On 5 October 2017 at 19:22, Pat Ferrel <p...@occamsmachete.com> wrote:
>
>> Ok, that config should work. Does the integration test pass?
>>
>> The data you are using is extremely small and though it does look like it
>> has cooccurrences, they may not meet minimum “big-data” thresholds used by
>> default. Try adding more data or use the handmade example data, rename
>> purchase to view and discard the existing view data if you wish.
>>
>> The error is very odd and I’ve never seen it. If the integration test
>> works I can only surmise it's your data.
>>
>>
>> On Oct 5, 2017, at 12:02 AM, Noelia Osés Fernández <no...@vicomtech.org>
>> wrote:
>>
>> SPARK: spark-1.6.3-bin-hadoop2.6
>>
>> PIO: 0.11.0-incubating
>>
>> Scala: whatever gets installed when installing PIO 0.11.0-incubating, I
>> haven't installed Scala separately
>>
>> UR: ActionML's UR v0.6.0 I suppose as that's the last version mentioned
>> in the readme file. I have attached the UR zip file I downloaded from the
>> actionml github account.
>>
>> Thank you for your help!!
>>
>> On 4 October 2017 at 17:20, Pat Ferrel <p...@occamsmachete.com> wrote:
>>
>>> What version of Scala. Spark, PIO, and UR are you using?
>>>
>>>
>>> On Oct 4, 2017, at 6:10 AM, Noelia Osés Fernández <no...@vicomtech.org>
>>> wrote:
>>>
>>> Hi all,
>>>
>>> I'm still trying to create a very simple app to learn to use
>>> PredictionIO and still having trouble. I have done pio build no problem.
>>> But when I do pio train I get a very long error message related to
>>> serialisation (error message copied below).
>>>
>>> pio status reports system is all ready to go.
>>>
>>> The app I'm trying to build is very simple, it only has 'view' events.
>>> Here's the engine.json:
>>>
>>> *===========================================================*
>>> {
>>> "comment":" This config file uses default settings for all but the
>>> required values see README.md for docs",
>>> "id": "default",
>>> "description": "Default settings",
>>> "engineFactory": "com.actionml.RecommendationEngine",
>>> "datasource": {
>>> "params" : {
>>> "name": "tiny_app_data.csv",
>>> "appName": "TinyApp",
>>> "eventNames": ["view"]
>>> }
>>> },
>>> "algorithms": [
>>> {
>>> "comment": "simplest setup where all values are default,
>>> popularity based backfill, must add eventsNames",
>>> "name": "ur",
>>> "params": {
>>> "appName": "TinyApp",
>>> "indexName": "urindex",
>>> "typeName": "items",
>>> "comment": "must have data for the first event or the model
>>> will not build, other events are optional",
>>> "eventNames": ["view"]
>>> }
>>> }
>>> ]
>>> }
>>> *===========================================================*
>>>
>>> The data I'm using is:
>>>
>>> "u1","i1"
>>> "u2","i1"
>>> "u2","i2"
>>> "u3","i2"
>>> "u3","i3"
>>> "u4","i4"
>>>
>>> meaning user u viewed item i.
>>>
>>> The data has been added to the database with the following python code:
>>>
>>> *===========================================================*
>>> """
>>> Import sample data for recommendation engine
>>> """
>>>
>>> import predictionio
>>> import argparse
>>> import random
>>>
>>> RATE_ACTIONS_DELIMITER = ","
>>> SEED = 1
>>>
>>>
>>> def import_events(client, file):
>>> f = open(file, 'r')
>>> random.seed(SEED)
>>> count = 0
>>> print "Importing data..."
>>>
>>> items = []
>>> users = []
>>> f = open(file, 'r')
>>> for line in f:
>>> data = line.rstrip('\r\n').split(RATE_ACTIONS_DELIMITER)
>>> users.append(data[0])
>>> items.append(data[1])
>>> client.create_event(
>>> event="view",
>>> entity_type="user",
>>> entity_id=data[0],
>>> target_entity_type="item",
>>> target_entity_id=data[1]
>>> )
>>> print "Event: " + "view" + " entity_id: " + data[0] + "
>>> target_entity_id: " + data[1]
>>> count += 1
>>> f.close()
>>>
>>> users = set(users)
>>> items = set(items)
>>> print "All users: " + str(users)
>>> print "All items: " + str(items)
>>> for item in items:
>>> client.create_event(
>>> event="$set",
>>> entity_type="item",
>>> entity_id=item
>>> )
>>> count += 1
>>>
>>>
>>> print "%s events are imported." % count
>>>
>>>
>>> if __name__ == '__main__':
>>> parser = argparse.ArgumentParser(
>>> description="Import sample data for recommendation engine")
>>> parser.add_argument('--access_key', default='invald_access_key')
>>> parser.add_argument('--url', default="http://localhost:7070";)
>>> parser.add_argument('--file', default="./data/tiny_app_data.csv")
>>>
>>> args = parser.parse_args()
>>> print args
>>>
>>> client = predictionio.EventClient(
>>> access_key=args.access_key,
>>> url=args.url,
>>> threads=5,
>>> qsize=500)
>>> import_events(client, args.file)
>>> *===========================================================*
>>>
>>> My pio_env.sh is the following:
>>>
>>> *===========================================================*
>>> #!/usr/bin/env bash
>>> #
>>> # Copy this file as pio-env.sh and edit it for your site's configuration.
>>> #
>>> # Licensed to the Apache Software Foundation (ASF) under one or more
>>> # contributor license agreements. See the NOTICE file distributed with
>>> # this work for additional information regarding copyright ownership.
>>> # The ASF licenses this file to You under the Apache License, Version 2.0
>>> # (the "License"); you may not use this file except in compliance with
>>> # the License. You may obtain a copy of the License at
>>> #
>>> # http://www.apache.org/licenses/LICENSE-2.0
>>> #
>>> # Unless required by applicable law or agreed to in writing, software
>>> # distributed under the License is distributed on an "AS IS" BASIS,
>>> # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
>>> implied.
>>> # See the License for the specific language governing permissions and
>>> # limitations under the License.
>>> #
>>>
>>> # PredictionIO Main Configuration
>>> #
>>> # This section controls core behavior of PredictionIO. It is very likely
>>> that
>>> # you need to change these to fit your site.
>>>
>>> # SPARK_HOME: Apache Spark is a hard dependency and must be configured.
>>> # SPARK_HOME=$PIO_HOME/vendors/spark-2.0.2-bin-hadoop2.7
>>> SPARK_HOME=$PIO_HOME/vendors/spark-1.6.3-bin-hadoop2.6
>>>
>>> POSTGRES_JDBC_DRIVER=$PIO_HOME/lib/postgresql-42.1.4.jar
>>> MYSQL_JDBC_DRIVER=$PIO_HOME/lib/mysql-connector-java-5.1.41.jar
>>>
>>> # ES_CONF_DIR: You must configure this if you have advanced
>>> configuration for
>>> # your Elasticsearch setup.
>>> # ES_CONF_DIR=/opt/elasticsearch
>>> #ES_CONF_DIR=$PIO_HOME/vendors/elasticsearch-1.7.6
>>>
>>> # HADOOP_CONF_DIR: You must configure this if you intend to run
>>> PredictionIO
>>> # with Hadoop 2.
>>> # HADOOP_CONF_DIR=/opt/hadoop
>>>
>>> # HBASE_CONF_DIR: You must configure this if you intend to run
>>> PredictionIO
>>> # with HBase on a remote cluster.
>>> # HBASE_CONF_DIR=$PIO_HOME/vendors/hbase-1.0.0/conf
>>>
>>> # Filesystem paths where PredictionIO uses as block storage.
>>> PIO_FS_BASEDIR=$HOME/.pio_store
>>> PIO_FS_ENGINESDIR=$PIO_FS_BASEDIR/engines
>>> PIO_FS_TMPDIR=$PIO_FS_BASEDIR/tmp
>>>
>>> # PredictionIO Storage Configuration
>>> #
>>> # This section controls programs that make use of PredictionIO's built-in
>>> # storage facilities. Default values are shown below.
>>> #
>>> # For more information on storage configuration please refer to
>>> # http://predictionio.incubator.apache.org/system/anotherdatastore/
>>>
>>> # Storage Repositories
>>>
>>> # Default is to use PostgreSQL
>>> PIO_STORAGE_REPOSITORIES_METADATA_NAME=pio_meta
>>> PIO_STORAGE_REPOSITORIES_METADATA_SOURCE=ELASTICSEARCH
>>>
>>> PIO_STORAGE_REPOSITORIES_EVENTDATA_NAME=pio_event
>>> PIO_STORAGE_REPOSITORIES_EVENTDATA_SOURCE=HBASE
>>>
>>> PIO_STORAGE_REPOSITORIES_MODELDATA_NAME=pio_model
>>> PIO_STORAGE_REPOSITORIES_MODELDATA_SOURCE=LOCALFS
>>>
>>> # Storage Data Sources
>>>
>>> # PostgreSQL Default Settings
>>> # Please change "pio" to your database name in
>>> PIO_STORAGE_SOURCES_PGSQL_URL
>>> # Please change PIO_STORAGE_SOURCES_PGSQL_USERNAME and
>>> # PIO_STORAGE_SOURCES_PGSQL_PASSWORD accordingly
>>> PIO_STORAGE_SOURCES_PGSQL_TYPE=jdbc
>>> PIO_STORAGE_SOURCES_PGSQL_URL=jdbc:postgresql://localhost/pio
>>> PIO_STORAGE_SOURCES_PGSQL_USERNAME=pio
>>> PIO_STORAGE_SOURCES_PGSQL_PASSWORD=pio
>>>
>>> # MySQL Example
>>> # PIO_STORAGE_SOURCES_MYSQL_TYPE=jdbc
>>> # PIO_STORAGE_SOURCES_MYSQL_URL=jdbc:mysql://localhost/pio
>>> # PIO_STORAGE_SOURCES_MYSQL_USERNAME=pio
>>> # PIO_STORAGE_SOURCES_MYSQL_PASSWORD=pio
>>>
>>> # Elasticsearch Example
>>> # PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE=elasticsearch
>>> # PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS=localhost
>>> # PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS=9200
>>> # PIO_STORAGE_SOURCES_ELASTICSEARCH_SCHEMES=http
>>> # PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME=$PIO_HOME/vendors/ela
>>> sticsearch-5.2.1
>>> # Elasticsearch 1.x Example
>>> PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE=elasticsearch
>>> PIO_STORAGE_SOURCES_ELASTICSEARCH_CLUSTERNAME=myprojectES
>>> PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS=localhost
>>> PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS=9300
>>> PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME=$PIO_HOME/vendors/ela
>>> sticsearch-1.7.6
>>>
>>> # Local File System Example
>>> PIO_STORAGE_SOURCES_LOCALFS_TYPE=localfs
>>> PIO_STORAGE_SOURCES_LOCALFS_PATH=$PIO_FS_BASEDIR/models
>>>
>>> # HBase Example
>>> PIO_STORAGE_SOURCES_HBASE_TYPE=hbase
>>> PIO_STORAGE_SOURCES_HBASE_HOME=$PIO_HOME/vendors/hbase-1.2.6
>>>
>>>
>>> *===========================================================Error
>>> message:*
>>>
>>> *===========================================================*
>>> [ERROR] [TaskSetManager] Task 2.0 in stage 10.0 (TID 24) had a not
>>> serializable result: org.apache.mahout.math.RandomAccessSparseVector
>>> Serialization stack:
>>> - object not serializable (class:
>>> org.apache.mahout.math.RandomAccessSparseVector,
>>> value: {3:1.0,2:1.0})
>>> - field (class: scala.Tuple2, name: _2, type: class
>>> java.lang.Object)
>>> - object (class scala.Tuple2, (2,{3:1.0,2:1.0})); not retrying
>>> [ERROR] [TaskSetManager] Task 3.0 in stage 10.0 (TID 25) had a not
>>> serializable result: org.apache.mahout.math.RandomAccessSparseVector
>>> Serialization stack:
>>> - object not serializable (class:
>>> org.apache.mahout.math.RandomAccessSparseVector,
>>> value: {0:1.0,3:1.0})
>>> - field (class: scala.Tuple2, name: _2, type: class
>>> java.lang.Object)
>>> - object (class scala.Tuple2, (3,{0:1.0,3:1.0})); not retrying
>>> [ERROR] [TaskSetManager] Task 1.0 in stage 10.0 (TID 23) had a not
>>> serializable result: org.apache.mahout.math.RandomAccessSparseVector
>>> Serialization stack:
>>> - object not serializable (class:
>>> org.apache.mahout.math.RandomAccessSparseVector,
>>> value: {1:1.0})
>>> - field (class: scala.Tuple2, name: _2, type: class
>>> java.lang.Object)
>>> - object (class scala.Tuple2, (1,{1:1.0})); not retrying
>>> [ERROR] [TaskSetManager] Task 0.0 in stage 10.0 (TID 22) had a not
>>> serializable result: org.apache.mahout.math.RandomAccessSparseVector
>>> Serialization stack:
>>> - object not serializable (class:
>>> org.apache.mahout.math.RandomAccessSparseVector,
>>> value: {0:1.0})
>>> - field (class: scala.Tuple2, name: _2, type: class
>>> java.lang.Object)
>>> - object (class scala.Tuple2, (0,{0:1.0})); not retrying
>>> Exception in thread "main" org.apache.spark.SparkException: Job aborted
>>> due to stage failure: Task 2.0 in stage 10.0 (TID 24) had a not
>>> serializable result: org.apache.mahout.math.RandomAccessSparseVector
>>> Serialization stack:
>>> - object not serializable (class:
>>> org.apache.mahout.math.RandomAccessSparseVector,
>>> value: {3:1.0,2:1.0})
>>> - field (class: scala.Tuple2, name: _2, type: class
>>> java.lang.Object)
>>> - object (class scala.Tuple2, (2,{3:1.0,2:1.0}))
>>> at org.apache.spark.scheduler.DAGScheduler.org
>>> <http://org.apache.spark.scheduler.dagscheduler.org/>$
>>> apache$spark$scheduler$DAGScheduler$$failJobAndIndepe
>>> ndentStages(DAGScheduler.scala:1431)
>>> at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$
>>> 1.apply(DAGScheduler.scala:1419)
>>> at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$
>>> 1.apply(DAGScheduler.scala:1418)
>>> at scala.collection.mutable.ResizableArray$class.foreach(Resiza
>>> bleArray.scala:59)
>>> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.sca
>>> la:47)
>>> at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGSchedu
>>> ler.scala:1418)
>>> at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskS
>>> etFailed$1.apply(DAGScheduler.scala:799)
>>> at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskS
>>> etFailed$1.apply(DAGScheduler.scala:799)
>>> at scala.Option.foreach(Option.scala:236)
>>> at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(
>>> DAGScheduler.scala:799)
>>> at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOn
>>> Receive(DAGScheduler.scala:1640)
>>> at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onRe
>>> ceive(DAGScheduler.scala:1599)
>>> at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onRe
>>> ceive(DAGScheduler.scala:1588)
>>> at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
>>> at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.
>>> scala:620)
>>> at org.apache.spark.SparkContext.runJob(SparkContext.scala:1832)
>>> at org.apache.spark.SparkContext.runJob(SparkContext.scala:1952)
>>> at org.apache.spark.rdd.RDD$$anonfun$fold$1.apply(RDD.scala:1088)
>>> at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperati
>>> onScope.scala:150)
>>> at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperati
>>> onScope.scala:111)
>>> at org.apache.spark.rdd.RDD.withScope(RDD.scala:316)
>>> at org.apache.spark.rdd.RDD.fold(RDD.scala:1082)
>>> at org.apache.mahout.sparkbindings.drm.CheckpointedDrmSpark.com
>>> <http://s.drm.checkpointeddrmspark.com/>puteNRow(CheckpointedDrmSpark.
>>> scala:188)
>>> at org.apache.mahout.sparkbindings.drm.CheckpointedDrmSpark.nro
>>> w$lzycompute(CheckpointedDrmSpark.scala:55)
>>> at org.apache.mahout.sparkbindings.drm.CheckpointedDrmSpark.nro
>>> w(CheckpointedDrmSpark.scala:55)
>>> at org.apache.mahout.sparkbindings.drm.CheckpointedDrmSpark.new
>>> RowCardinality(CheckpointedDrmSpark.scala:219)
>>> at com.actionml.IndexedDatasetSpark$.apply(Preparator.scala:213)
>>> at com.actionml.Preparator$$anonfun$3.apply(Preparator.scala:71)
>>> at com.actionml.Preparator$$anonfun$3.apply(Preparator.scala:49)
>>> at scala.collection.TraversableLike$$anonfun$map$1.apply(Traver
>>> sableLike.scala:244)
>>> at scala.collection.TraversableLike$$anonfun$map$1.apply(Traver
>>> sableLike.scala:244)
>>> at scala.collection.immutable.List.foreach(List.scala:318)
>>> at scala.collection.TraversableLike$class.map(TraversableLike.s
>>> cala:244)
>>> at scala.collection.AbstractTraversable.map(Traversable.scala:105)
>>> at com.actionml.Preparator.prepare(Preparator.scala:49)
>>> at com.actionml.Preparator.prepare(Preparator.scala:32)
>>> at org.apache.predictionio.controller.PPreparator.prepareBase(P
>>> Preparator.scala:37)
>>> at org.apache.predictionio.controller.Engine$.train(Engine.scal
>>> a:671)
>>> at org.apache.predictionio.controller.Engine.train(Engine.scala:177)
>>> at org.apache.predictionio.workflow.CoreWorkflow$.runTrain(Core
>>> Workflow.scala:67)
>>> at org.apache.predictionio.workflow.CreateWorkflow$.main(Create
>>> Workflow.scala:250)
>>> at org.apache.predictionio.workflow.CreateWorkflow.main(CreateW
>>> orkflow.scala)
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
>>> ssorImpl.java:62)
>>> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
>>> thodAccessorImpl.java:43)
>>> at java.lang.reflect.Method.invoke(Method.java:498)
>>> at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy
>>> $SparkSubmit$$runMain(SparkSubmit.scala:731)
>>> at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit
>>> .scala:181)
>>> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scal
>>> a:206)
>>> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
>>> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
>>>
>>> *===========================================================*
>>> Thank you all for your help.
>>>
>>> Best regards,
>>> noelia
>>>
>>>
>>
>>
>> --
>> <http://www.vicomtech.org/>
>>
>> Noelia Osés Fernández, PhD
>> Senior Researcher |
>> Investigadora Senior
>>
>> no...@vicomtech.org
>> +[34] 943 30 92 30
>> Data Intelligence for Energy and
>> Industrial Processes | Inteligencia
>> de Datos para Energía y Procesos
>> Industriales
>>
>> <https://www.linkedin.com/company/vicomtech>
>> <https://www.youtube.com/user/VICOMTech>
>> <https://twitter.com/@Vicomtech_IK4>
>>
>> member of: <http://www.graphicsmedia.net/> <http://www.ik4.es/>
>>
>> Legal Notice - Privacy policy
>> <http://www.vicomtech.org/en/proteccion-datos>
>>
>>
>>
>>
>
>
> --
> <http://www.vicomtech.org/>
>
> Noelia Osés Fernández, PhD
> Senior Researcher |
> Investigadora Senior
>
> no...@vicomtech.org
> +[34] 943 30 92 30
> Data Intelligence for Energy and
> Industrial Processes | Inteligencia
> de Datos para Energía y Procesos
> Industriales
>
> <https://www.linkedin.com/company/vicomtech>
> <https://www.youtube.com/user/VICOMTech>
> <https://twitter.com/@Vicomtech_IK4>
>
> member of: <http://www.graphicsmedia.net/> <http://www.ik4.es/>
>
> Legal Notice - Privacy policy
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>
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--
<http://www.vicomtech.org>
Noelia Osés Fernández, PhD
Senior Researcher |
Investigadora Senior
no...@vicomtech.org
+[34] 943 30 92 30
Data Intelligence for Energy and
Industrial Processes | Inteligencia
de Datos para Energía y Procesos
Industriales
<https://www.linkedin.com/company/vicomtech>
<https://www.youtube.com/user/VICOMTech>
<https://twitter.com/@Vicomtech_IK4>
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