Abstract are freely available for most of the articles but reading the entire article may require a subscription. Here're a few things you can try:
Click the title of the item. If it belongs to a subscription source that the Library has subscription to, you should be able to see the HTML full text content or the PDF link to it. In addition, you can
If all of the above cannot help, then ask a librarian.
You are recommended to activate the "Library Links" so that your search results would include links that help you route through the Library subscriptions:
After the preference is set, you will see "Find@HKUST" on your result screen. You may use this link to locate books and articles subscribed by the Library. You will be prompted to enter your ITSC login to access subscribed sources.