Questions tagged [metadata]

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

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Accessibility categories for social media data

What is the best way to generically categorise data in social media back-end databases within a context of level of openness? Both academic sources and own thoughts and ideas are appreciated as I ...
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Availability of descriptive ship metadata

I'm creating my own ship position map by AIS (Automatic Identification System) messages from the base transceiver station (BTS). Can I find a free database of static information about the ships by ...
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Get specific metadata from a group of open databases

Use case: I am investigating common characteristics of chosen databases. By databases I understand collections of data, possibly with relations between them. I want to collect metadata for all ...
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Meta-analysis of public 16S data - help!

I am trying to start a meta-analysis for which I want to extract some 16S-based information from public databases. Moreover, I want to relate this information with any metadata found in the associated ...
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Search for basic business-related Open Data standards

What data standards, schemas or models are available to basic business/hr funcitons? For example, a model for employees with information including address, contact information, metadata pertaining ...
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131 views

Data set for identifying columns as categorical or numerical

In a given dataset, a column of numbers can represent a categorical or numerical variable. While one can imagine some simple heuristics for guessing which (e.g., it's categorical if the number of ...
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The list of restricted second-level domains such as .co.uk and .ac.jp

Some country-code top-level domains (ccTLD) contain general-purpose second-level domains, like .co and .ac, so the end user of the domain is identified with the third-level domain, such as oxford.ac....
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37 views

Is there a site that has comprehensive list of data, along with descriptions, meta data etc?

Is there a resource/website that has list of all possible datasets from around the world with links to the download page, names of columns in the individual datasets (so users can search by a ...
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59 views

Data repositories like UCI and mlData, for biological data

Are there any other data repositories like UCI and mlData, for biological data?? I want to know about mostly biological data set.(The format of data set would be like that of UCI)
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370 views

Real Newbie Question [duplicate]

My interest is in visualizations from the standpoint of a software developer, not a scientist. It seems that getting open data from two different sites take a lot of work as some expose an API and ...
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1answer
28 views

Looking for taxonomy for skills databases?

I am looking for taxonomy databases or datasets other than "O*Net" which can have skills (Tools and technologies). Added to the above, I am also looking for taxonomy which can have skills from pharma ...
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Product features / components / attributes data set

I am desperately looking for a way to either create or find an existing data set for products that lists the most common features / components or attributes of that product. An example could be: ...
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Google Directions train timetable coverage by country

I'm trying to figure out which countries in Europe that Google Directions has full coverage for with regards to train timetables. I found this section: https://maps.google.com/landing/transit/...
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Metadata on scientific articles (economics) conditional to set of queries

I am looking for an API/software (free or open source) able to download metadata on scientific articles (economics) according to a set of queries (e.g., words in the title/abstract, keywords, JEL code,...
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Which currencies are used in IMF's / Worldbank's PA.NUS.FCRF forex data?

I need annual, historic exchange rates of currencies worldwide. The PA.NUS.FCRF seems to be a great data set for that: it's open, spans almost all countries worldwide, and for many countries it dates ...
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Database of images to estimate cloud cover

Is there any freely available database of sky pictures, which also already has an information about the cloud cover in metadata (by percentage, or by okta)? I am no meteorologist, but I want to train ...
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Statistics about Extensible Metadata Platform (XMP) implementation by smartphone cameras

I am writing an Android photo sharing app, and pondering whether I should implement Extensible Metadata Platform reading from pictures taken by the smartphone/tablet/device's. If almost no smartphone ...
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Spatially Orienting 1,4 Dioxane Data From the EPA UCMR-3 Data Set

I am attempting to draw conclusions about the source of 1,4 Dioxane, an emerging contaminant. In the last few years, the EPA released the UCMR-3 (Unregulated Contaminant Monitoring Rule) which had ...
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How to simulate stock exchange data (OHLC chart) realistically?

The stock market is described in many places (e.g. here) as a random walk. Among the various arguments against this hypothesis, nowhere is mentioned what struck me to be the most obvious one: every ...
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Getting metadata of all databases available on the Internet [closed]

I would like to get metadata for all (or as many as possible) databases that are available online. It does not have to be an open database. It is only the metadata that is important for me. The data I ...
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94 views

Database of Japanese words difficulty

I have a huge database of Japanese words and want to split them into flashcard decks of different difficulty levels. (actually for a GSoC project) For this, I need to know the "difficulty" of each ...
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Tips for finding hard-to-locate data

Say Barry, could you use this site's "answer your own question" feature to give us some tips on how to find data that may not be readily available?
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When I click on Data Dictionary, it brings up a blank Excel spreadsheet

When I click on Data Dictionary in the College Scorecard, it brings up a blank Excel spreadsheet. Where can I find the Data Dictionary information?
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Cannot access to the OSM Boundaries website

I was using the OSM Boundaries website to download shpfiles of boundaries and using them in QGIS: Today, when I was attempted to access this website I get this message and I get the same result from ...
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College Scorecard: determining how representative data is of the overall undergraduate body

The Question The College Scorecard Documentation Report repeatedly mentions that some data only represents undergraduates that are recipients of Title IV federal aid: Most of the metrics of ...