Questions tagged [metadata]

Metadata is data/information that provides data/information about other data. Metadata is essentially documentation of data.

Filter by
Sorted by
Tagged with
145
votes
26answers
25k views

A database of open databases?

While there are many open databases available, is there a database or the project that would contain the information of such databases? In other words, is there an open meta-database of open ...
25
votes
12answers
3k views

Metadata standards and best practices for data dictionaries for CSV files/data

We publish most of our machine-readable open data in CSV format. What are best practices and/or standards to publish data dictionaries (e.g. definitions of columns in CSV files including human-...
24
votes
7answers
557 views

Evidence for the economic impact of open data?

Open Data is discussed in many contexts, ranging from transparency, government accountability, and their economical benefits. Are there up-to-date studies and publications analyzing the real and ...
11
votes
2answers
386 views

Is there a specification for versioning a dataset?

In computer software, semantic versioning (or something like it) is something of a standard for how to version software releases. The Major.Minor.Patch semantics make clear how big of a change has ...
11
votes
1answer
3k views

Database of English words difficulty

Data request I am looking for a database that describes the "difficulty" of each English word. Difficulty of a word is not easy to define, but it is probably a mix of: Level of study needed to ...
11
votes
2answers
127 views

Publishing Weather Data under Creative Commons / Peer Production License

I am from a volunteer at FSHM (Free Software Hardware Movement, Puducherry, India). As a part of our community project, we have been working on building a weather station using Freedom Hardware. We ...
7
votes
3answers
256 views

Where can I find a taxonomy of open data sites?

I was looking for a Stack Exchange site to ask this and Open Data seems to be the one. I am to write a short note on how to find information on the internet and for that I would love to read a ...
7
votes
3answers
418 views

ISO 3166-1 and ISO 3166-2 data plus borders (e.g. as kml)

I am looking for a free or even commercial data source for ISO 3166-1 and ISO 3166-2 data, ideally with border data (e.g. in kml). The ISO 3166-1 and ISO 3166-2 data should contain the hierarchical ...
7
votes
1answer
87 views

Data management practices

Software has code repositories and package managers, so installation and maintenance are done in one line (or click). What are practices for managing data, instead? Apart from manually organized ...
6
votes
1answer
307 views

CKAN exposing tables from a relational database

I am using CKAN 2.3 and I would like to compose datasets considering a specific schema from a relational database. Indeed, I would like to publish the list of any table into CKAN in order to show ...
5
votes
2answers
135 views

How can I track updates on the release of new open data sources across the world?

Is there any blog and / or link where I can get regular updates on the release of latest open data sources across world?
5
votes
3answers
559 views

What are good examples of open data dashboards?

What are good examples of open data dashboards? This can either be: A dashboard that uses open data, for example the London City Dashboard (but better...) A collection of metrics about the open ...
5
votes
2answers
75 views

Where can I find an ontology for “project”?

I am looking for an ontology that can describe the concept "project". For example: the type of the project (new project, improvement, translate) industries involved in the project (mobile application,...
5
votes
1answer
84 views

Countries with a Census

I am looking for a list of countries that have a census. The attributes would be the last census dates or dates of censuses and the census unit. I do not want variables from a census but meta ...
5
votes
1answer
88 views

USAID Dataset Downloads Published List

My understanding is that you are collecting data on the frequency of downloads of every dataset uploaded to the DDL (Development Data Library). Have you uploaded that dataset of downloads? I am ...
5
votes
1answer
398 views

Custom Categories in CKAN

Is it possible to have custom dataset categories appear in the side bar of the 'datasets' tab in CKAN 2.2? HealthData.gov appears to have these categories, but most examples I see have the default ...
5
votes
1answer
369 views

ISO 3166-2 codes to Olson Time Zone Codes

Just curious, is it possible to link ISO 3166-2 codes to Olson Time Zone Codes. For example the US has these Olson Time Zone Codes: US United States America/Adak US United States America/...
4
votes
2answers
134 views

Examples of metadata for non-uniform collections

Are there examples of metadata — lists of what a site offers, that users search to help them decide what to download — for non-uniform collections like UCI ml or openml.org ? Metadata is ...
4
votes
1answer
98 views

how to get semantic ontology of words related to technology

I would like to get some semantic ontology of words related to technology. Is there a way or a place I can get these kind of informations ?
4
votes
1answer
55 views

Data for all lakes on Earth?

Is there data available for all lakes on Earth? Even just a list of names would be nice; metadata is also welcome. In this case, a lake is any enclosed body of water with a surface area between some ...
4
votes
1answer
60 views

NEISS injury dataset - machine readable coding for characterizations

The National Electronic Injury Surveillance System (NEISS) database offers Excel downloads (example XLSX, ~50MB) on a year by year basis. The categorization of the injuries in the Excel files is given ...
4
votes
1answer
102 views

Automate API Queries

I'm a project manager. I'm interested in IATIStandard.org an International Aid Transparency Initiative that makes it possible for humanitarian organizations to share information on aid activities ...
4
votes
1answer
64 views

What is the value of standardized metadata (e.g. OAI-PMH, LOM, Dublin Core) in the days of search engines?

What is the value of standardized metadata (e.g. OAI-PMH, IEEE-LOM, Dublin Core) in the days of search engines? Sites that offer open data (e.g. Open Educational Resources), want their content to be ...
4
votes
1answer
150 views

Get metadata from all datasets on Socrata

Socrata.org gives a possibility to browse all datasets that are published by their customers with their API via Open Data Network. I'd like to collect metadata such as: Dataset size Number of rows ...
4
votes
1answer
46 views

Crosswalk for State Crime Statutes

I have arrest data from a number of cities across the United States and I'd like to make comparisons for the reasons of arrest. In this data, the reason for arrest is the state statute that the ...
4
votes
1answer
57 views

What product is the Australian government Meteor made using?

METeOR is Australia’s repository for national metadata standards for health, housing and community services statistics and information. - http://meteor.aihw.gov.au/ If I want to build a open data ...
4
votes
2answers
363 views

Is there a database that provides metadata for products with barcodes?

I am looking for a database (free or paid, but I prefer a free one for now), that contains metadata of products such as cell phones, tv's, etc.
4
votes
1answer
74 views

Is it a good idea to think of defining a DCAT vocabulary in other languages?

IMHO, Project Open Data does a great job defining a standard metadata vocabulary based on DCAT for government datasets. Would it be a good idea to start defining DCAT metadata terms in other ...
3
votes
2answers
163 views

“Official” list of business branches

I'm looking for some sort of list with all possible branches of business/employment. i.e. "Restaurant", "Hotel", "IT", "Bakery", "Fitness Centre", "School", "Insurance", etc. Preferably something ...
3
votes
2answers
81 views

How to extract data from web files? [closed]

Looking for some brief information on how to extract data from files on the web? If there are any tutorials or pieces that you know of, it would be great help.
3
votes
1answer
58 views

Will open data foster a common set of “metadata” standards?

This is just one example, but I'm sure that there can be many others. Government open data will have links to all the relevant license information, which will be found in the metadata. That ...
3
votes
3answers
176 views

Open Data about Open Data [duplicate]

What are good open data sources for open data? data.gov is nice but limited to American open data. datahub.io is based on CKAN, it comes closes to what I have in mind and it has an API. There's also ...
3
votes
1answer
156 views

Understanding Precipitation data

I am trying to perform an analysis on weather and car collisions data of New York city. I have downloaded weather data from NOAA. But I am not able to understand the data provided in the precipitation ...
3
votes
1answer
100 views

Is there a way to ask a CKAN repository only for changed datasets after a certain time?

I am trying to harvest several CKAN repositories for their metadata, using CKAN REST API. I wanted to only update the changed datasets (metadata only) in my repository, but I do not see a way to ...
3
votes
2answers
354 views

Does anyone know a dataset that has both time-series data and descriptive (non-temporal) features?

An example of an ideal dataset would look like: There are some devices, say computers Each computer has parameters (number of cpus, amount of ram, hdd space, etc.) Also we know some time-series data (...
3
votes
3answers
73 views

Where can I download non-malicious .EXE files for my machine learning model

I have been working on a machine learning project which detects malware. I have downloaded malicious files and tested my model and I was looking for a place which would contain about 50-60 non-...
3
votes
1answer
22 views

Is there a Glossary of Terms for the Federal Elections Commission API?

Maybe I missed it on the FEC API site (https://api.open.fec.gov/developers/) but does anyone know if there's a glossary which defines all of the elements in the models? For example, if you scroll down ...
3
votes
0answers
23 views

Clarity of Flag 124-126 in the GSOD weather dataset

The following table provides information around the Flag 124-126 of the GSOD Weather dataset the documentation of which is available here: Flag 124-124 Char A = 1 report of 6-hour ...
3
votes
0answers
124 views

Bacterial infectious diseases dataset

Does anyone know of a dataset relating: bacteria (not viruses or fungi) infectiousness symptoms ...or something of the sort? I'm looking to classify infectiousness (ie. infectious/not infectious) ...
3
votes
0answers
63 views

How does open data differ in quality depending on the source?

Let's talk about government data, e.g. data.gov, first. Putting aside "outliers," are most government data sets guided by e.g. "mandates" by the government? If not, how does the fact that say weather, ...
3
votes
0answers
58 views

Better global elevation data

For my online 3D earth model on guadTree algorithm I need elevation data for all land and oceans. I recently discovered SRTM 1 Arc-Second Global, but it does not have data for the oceans and the most ...
3
votes
0answers
86 views

Is there a taxonomy based on concepts of “fiscal” and “utility” data?

Is there are a theory, division, classification or taxonomy schema for open data? With classes like "fiscal" and "utility". Explaining and illustrating Perhaps "utility" (or "public utility" or day ...
3
votes
0answers
35 views

search for data by structure

Is there some way to search for data sets by structure, for example, I might want to search on the internet for time series data by time period, categorical data, share amount of total, or multiple ...
2
votes
2answers
92 views

is there a dataset of financial blogs?

I am looking for a database that contains the name of all the financial blogs out there. Ideally each blog should be linked to the website it refers to (say, I need to be able to know that blog X is ...
2
votes
2answers
71 views

Is ISO 19115 (Geographic Metadata) a closed standard?

I've been seeing ISO 19115 pop up in discussions more and more recently. It appears to be a standard for NOAA and other federal agencies. Yet when I google "ISO 19115" the first entry I see is from ...
2
votes
2answers
103 views

How do I get my data indexed by Google Dataset Search?

Google now offers Dataset Search (beta) https://toolbox.google.com/datasetsearch Dataset Search enables users to find datasets stored across the Web through a simple keyword search. The tool ...
2
votes
3answers
99 views

Bulk access to data on scientific literature (affiliation, citations etc)

I want to compare the scientific performance of different countries and/or institution via the relation of first and second etc authorship of papers in relation to the number of citations of each ...
2
votes
2answers
74 views

Social classification data for the UK

Is anyone aware of 'social classification' data sources used, for example, here: http://www.checkmyarea.com/EC3N4AB.htm "Wealthy singles in small city flats and suburban terraces" http://www....
2
votes
1answer
42 views

Graph representation of NUTS-3 regions to determine adjacency

I need a graph representation of NUTS-3 regions in the European Union, which can answer the question whether a certain region is neighbor of another region. Dataset available? I have looked at the ...
2
votes
1answer
144 views

How to crowd source open data

Is there a way to get a list of the top accessed open data sets by organizations and the organizations which use them?