Removed broken links

Author: andkret

sections/03-AdvancedSkills.md

@@ -358,8 +358,6 @@ example how to build an API
 
 
 #### Payload compression attacks
-Zip Bombs
-https://bomb.codes/
 
 How to defend your Server with zip Bombs
 https://www.sitepoint.com/how-to-defend-your-website-with-zip-bombs/
@@ -1153,7 +1151,6 @@ https://storm.apache.org/
 
 <https://www.youtube.com/watch?v=Qm5e574WoCU&t=2s>
 
-<https://github.com/gschmutz/stream-processing-workshop/tree/master/04-twitter-data-ingestion-with-streamsets>
 
 <https://streamsets.com/blog/streaming-data-twitter-analysis-spark/>
 
@@ -1331,9 +1328,6 @@ JSON:\
 Indexing basics:\
 <https://www.slideshare.net/knoldus/deep-dive-into-elasticsearch>
 
-How to query data with DSL language:\
-<https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-common-terms-query.html>
-
 How to do searches with search API:\
 <https://www.elastic.co/guide/en/elasticsearch/reference/current/search.html>
 

sections/05-CaseStudies.md

@@ -76,7 +76,6 @@ Spark Streaming for logging events:
 
 ### Data Science at Amazon
 
-<https://www.datasciencecentral.com/profiles/blogs/20-data-science-systems-used-by-amazon-to-operate-its-business>\
 <https://aws.amazon.com/solutions/case-studies/amazon-migration-analytics/>
 
 ### Data Science at Baidu
@@ -129,9 +128,6 @@ Confluent Platform:
 
 <http://www.lhc-facts.ch/index.php?page=datenverarbeitung>
 
-<https://openlab.cern/sites/openlab.web.cern.ch/files/2018-09/2017_ESADE_Madrid_Big_Data.pdf>
-
-<https://openlab.cern/sites/openlab.web.cern.ch/files/2018-05/kubeconeurope2018-cern-180507122303.pdf>
 
 <https://www.slideshare.net/SparkSummit/next-cern-accelerator-logging-service-with-jakub-wozniak>
 
@@ -236,8 +232,6 @@ Confluent Platform:
 
 **Slides:**
 
-<http://sites.nationalacademies.org/cs/groups/ssbsite/documents/webpage/ssb_182893.pdf>
-
 <https://esip.figshare.com/articles/Apache_Science_Data_Analytics_Platform/5786421>
 
 <http://www.socallinuxexpo.org/sites/default/files/presentations/OnSightCloudArchitecture-scale14x.pdf>

sections/06-BestPracticesCloud.md

@@ -239,9 +239,6 @@ Best Practices for Operating Containers:
 
 https://cloud.google.com/solutions/best-practices-for-operating-containers
 
-Preparing a Google Kubernetes Engine Environment for Production:
-
-https://cloud.google.com/solutions/prep-kubernetes-engine-for-prod
 
 Automating IoT Machine Learning: Bridging Cloud and Device Benefits with AI Platform:
 

sections/07-DataSources.md

@@ -41,7 +41,6 @@ You can find the articles on the bottom of this section to read more. They inclu
 - [FiveThirtyEight](http://fivethirtyeight.com/)
 - [Google Scholar](http://scholar.google.com/)
 - [Pew Research](http://www.pewresearch.org/)
-- [Qlik DataMarket](http://www.qlik.com/products/qlik-data-market)
 - [The Upshot by New York Times](http://www.nytimes.com/section/upshot)
 - [UNData](http://data.un.org/)
 
@@ -71,7 +70,6 @@ You can find the articles on the bottom of this section to read more. They inclu
 
 - [Education Data by the World Bank](http://data.worldbank.org/topic/education)
 - [Education Data by Unicef](http://data.unicef.org/education/overview.html)
-- [Government Data About Education](https://www.data.gov/education/)
 - [National Center for Education Statistics](https://nces.ed.gov/)
 
 ## Entertainment
@@ -91,7 +89,6 @@ You can find the articles on the bottom of this section to read more. They inclu
 - [Environmental Protection Agency](https://www.epa.gov/data)
 - [International Energy Agency Atlas](https://www.iea.org/data-and-statistics?country=WORLD&fuel=Energy%20supply&indicator=TPESbySource)
 - [National Center for Environmental Health](http://www.cdc.gov/nceh/data.htm)
-- [National Centers for Environmental Information](https://www.ncdc.noaa.gov/wdcmet/data-access-search-viewer-tools/world-weather-records-wwr-clearinghouse)
 - [National Climatic Data Center](http://www.ncdc.noaa.gov/data-access/quick-links#loc-clim)
 - [National Weather Service](http://www.weather.gov/help-past-weather)
 - [Weather Underground](https://www.wunderground.com/)
@@ -117,7 +114,6 @@ You can find the articles on the bottom of this section to read more. They inclu
 
 ## Government And World
 
-- [Data Catalogs](http://opengovernmentdata.org/data/)
 - [Data.gov](http://www.data.gov/)
 - [European Union Open Data Portal](http://data.europa.eu/euodp/en/data/)
 - [Gapminder](https://www.gapminder.org/data/)
@@ -128,7 +124,6 @@ You can find the articles on the bottom of this section to read more. They inclu
 - [The World Bank’s World Development Indicators](http://data.worldbank.org/data-catalog/world-development-indicators)
 - [U.S. Census Bureau](http://www.census.gov/)
 - [UNDP’s Human Development Index](http://hdr.undp.org/en/data)
-- [Unicef](http://www.unicef.org/statistics/)
 
 ## Health
 
@@ -140,16 +135,12 @@ You can find the articles on the bottom of this section to read more. They inclu
 - [Medicare Hospital Quality](https://data.medicare.gov/data/hospital-compare#)
 - [MedicinePlus](https://www.nlm.nih.gov/medlineplus/healthstatistics.html)
 - [National Center for Health Statistics](http://www.cdc.gov/nchs/)
-- [Partners in Information Access for the Public Health Workforce](https://phpartners.org/health_stats.html)
-- [President’s Council on Fitness, Sports & Nutrition](http://www.fitness.gov/resource-center/facts-and-statistics/)
 - [SEER Cancer Incidence](http://seer.cancer.gov/faststats/selections.php?series=cancer)
-- [The BROAD Institute](http://www.broadinstitute.org/cgi-bin/cancer/datasets.cgi)
 - [World Health Organization](http://www.who.int/en/)
 
 ## Human Rights
 
 - [Amnesty International](https://www.amnesty.org/en/search/?q=&documentType=Annual+Report)
-- [Harvard Law School](http://hls.harvard.edu/library/research/find-a-database/international-relations-human-rights-data/)
 - [Human Rights Data Analysis Group](https://hrdag.org/)
 - [The Armed Conflict Database by Uppsala University](http://www.pcr.uu.se/research/UCDP/)
 
@@ -165,7 +156,6 @@ You can find the articles on the bottom of this section to read more. They inclu
 - [California Field Poll](http://dlab.berkeley.edu/data-resources/california-polls)
 - [Crowdpac](https://www.crowdpac.com/)
 - [Gallup](http://www.gallup.com/home.aspx)
-- [Intro to Political Science Research by UC Berkeley](http://guides.lib.berkeley.edu/Intro-to-Political-Science-Research/Stats)
 - [Open Secrets](https://www.opensecrets.org/)
 - [Rand State Statistics](http://www.randstatestats.org/us/)
 - [Real Clear Politics](http://guides.lib.berkeley.edu/Intro-to-Political-Science-Research/Stats)