Electronic resources portal UK
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Help for eResources

General issues

The eResources Portal of Charles University (also known as PEZ) provides consolidated information about all the electronic resources (also known as ER or eResources) available at Charles University. These eResources are available to students, employees and CU library users with an external service user identity card. The resources are not available to students who interrupted their studies, alumni and former CU staff members.

Most of the electronic resources can be remotely accessed from the comfort of your home.

The Portal’s ER can either all be displayed in alphabetical order or filtered using faculties or subjects. Additionally, there are the categories of free trials and freely available resources. External users can use a category of the same name, which contains all the resources that are available to them.

ER include databases, eBooks, eJournals, citation managers and academic search engines (e.g. Google Scholar).

The CU network includes both the computers in various university buildings (faculties, libraries, study rooms, dormitories, etc.) and the WiFi university networks (e.g. Eduroam). Your personal computer, laptop and other devices will not have direct access to CU’s ER when connecting from outside this range.

Licensed resource – Licensed resource
Free resource – Freely available resource
Free-trial resource – Free trial
Search engine – Academic search engine
Citation manager – Citation manager
Shibboleth – Resource supports Shibboleth authentication (more information in Access to ER section)
Discovery – Resource is searchable in UKAŽ (CU’s Discovery service)
SFX – Resource contains the SFX button (more information in Accessing full-text section)

eResources Portal issues

Resources are identified in the eResources Portal in the following manner:

  • Licensed resources – resources, which were made available via licensing agreements between CU and the publisher. Access is generally available to CU’s students and staff. Selected ER are also available to external registered users. Licensed resources are marked by this icon Licensed resource.
  • Freely available resources – use is not subject to any license agreement. These resources are marked by the following icon Free resource.
  • Free trials – resources that are available for a limited period of time and then eventually a purchase may occur. Trial is marked by this icon Free-trial resource. If you wish to provide feedback on a trial resource or send us a purchase recommendation, feel free to contact us.

In addition to these resources, you might also want to make use of citation managers (this icon Citation manager) or academic search engines (this icon Search engine).

When searching, you can work directly in individual databases and collections. If you want to search using keywords and wish to search multiple ER at the same time, it is advisable to use UKAŽ (CU’s Discover service). This service searches most of both the licensed and freely available ER.

If you are looking for a specific eBook or e-journal title, you can use the eJournals and eBooks Portals.

Some resources are purchased only for a particular faculty. If you are studying or working at a faculty that does not subscribe to the resource you need, you have the following options:

  • Visit the faculty library which subscribes to the resource and take advantage of on-site access. A list of libraries at Charles University can be found on the website of the Central Library.
  • Ask your faculty library to subscribe to the resource or provide a copy of the requested article using the Interlibrary Loan Service (ILL).

Access to ER

There are two access types:

  • Direct – the resource is accessible from the CU/Faculty network without the need to authenticate by logging in. This type of access is also available to external registered library users.
  • Remote – this access type allows you to connect to the resource from anywhere (for example, from home), without the need to be connected to the CU network, however you need to be authenticated by CAS - Charles University Authentication Service. Primary methods of remote access to ER are EZproxy and Shibboleth institutional login.

EZproxy is remote access service used for licensed resources with that support user authentication by IP address. The user logs in to the EZproxy server using their CAS login by clicking on a remote access link, for example from the eResources Portal and then, after evaluating whether the user should have access to the resource, sends the information to the resource platform, which then lets the user access its content.

Further information on remote access can be found on the Central Library of Charles University website.

Shibboleth provides the Single Sign-On service, which allows you to log in to different systems operated by federations of different organizations or institutions (in the Czech Republic provided by eduID.cz) using one identity.

The user logs in to CAS by clicking on a remote access link, for example from the eResources Portal, which then evaluates whether the user should have access to the resource, sends the relevant information to the resource platform, which then logs the user in and allows them to access its content. Alternatively, the user can log in directly in the resource platform interface, usually by clicking on 'Institutional login' to select the institution directly (Charles University/Univerzita Karlova) or, for some resources and services, first selects the region/group - eduID.cz and only then the university itself.

Resources, which support this service are marked in the eResources Portal by he following icon Shibboleth.

Further information on remote access can be found on the Central Library of Charles University website.

Due to the incomplete implementation of Shibboleth on the part of some publishers, it is not possible to use the so-called multiple roles (affiliations), e.g. in case of concurrent study at multiple faculties or due to employment relationship in parallel with studying. Therefore, the user must select their main role to be sent to the resource provider. The settings can be changed at any time, they are active after you log in to the resource platform again. The settings are made on the CAS UK server.


Accessing full text

CU subscribes to full text on many different platforms, which is why SFX is here to help you find the full text. You do not need to search for the required resources in different databases to get the full text, just search once and SFX will guide you directly to the right database where you can read the full text.

When you see an SFX button in a resource, click on it. You will see a list of databases in which the full text is available.

For some sources on the eResources Portal, you can find this icon:SFX. This means that there is an SFX button in each document in the source, which will point you to the full text.

Further information on SFX can be found on the Central Library of Charles University website.

First, make sure you are in a full text database. You can find this information in each resource record on the eResources Portal in the Resource type field, which must read full text. Also make sure that the resource is available to your faculty.

If you are in a full text database available to your faculty and still cannot access the full text, try to find out if the full text is not available in another database (e.g. by using the SFX button, see above). Should this not help, please contact us using this contact form.

There may be times when you are requesting a title/article that CU does not have access to. In this case, please contact your faculty library, which can use secure the document on your behalf via the interlibrary loan service.


Sign-in issues

There might be several reasons why you cannot sign-in:

  • You do not know/remember your university ID number and password - Try logging in and following the instructions on the Central Authentication Service (CAS) page.
  • One of the services is down - Contact us using this contact form.
  • Some resources are only available in some libraries - If you want to use such a resource, you need to come to the library in person.
  • You are attempting to access a resource that is not licensed by CU - Check the full list of CU resources on the eResources Portal to see if the resource you are trying to access is available.

You can test whether the computer you are using uses an IP address from the UK network. The access test can be found on the portal website.

There are several reasons why remote access might not work:

  • The resource is currently down, please try logging in later. If it still doesn't work, contact us.
  • The resource's institutional access is down, use remote access via EZproxy instead, or you can contact us.