1 - 6 of 6 Chapters
[Preference query is one of the important queries in database community. Currently, the preference query only returns the query results to users. If the query result is unexpected for the users, the database system neither gives explanations for the unexpected query results, nor offers any...
[Causality and responsibility is an essential tool in the database community for providing intuitive explanations for answers/non-answers to queries. Causality denotes the causes for the answers/non-answers to queries, and responsibility represents the degree of a cause which reflects its...
[Why-not and why questions can be posed by database users to seek clarifications on unexpected query results. Specifically, why-not questions aim to explain why certain tuples are absent from the query results, while why questions try to clarify why certain tuples are present in the query...
[The reverse skyline query is a useful tool for multi-criteria decision making. However, users may be frustrated by having a cardinality-based unexpected query result such as too few answers (including empty answer) or too many answers. In this chapter, we aim at exploring why-few and why-many...
[Reverse top-k query is an important tool for market analysis since it can help manufacturers to identify potential customers for their products. Unfortunately, users may get unexpected query results after performing the reverse top-k query. There are two types of unexpected query results that...
[In this chapter, we first briefly summarize the researches of this book, including the causality and responsibility problem on probabilistic reverse skyline queries, the why-not and why questions on reverse top-k queries, the why-few and why-many questions on reverse skyline queries, a reverse...
Read and print from thousands of top scholarly journals.
Continue with Facebook
Log in with Microsoft
Already have an account? Log in
Bookmark this article. You can see your Bookmarks on your DeepDyve Library.
To save an article, log in first, or sign up for a DeepDyve account if you don’t already have one.
Sign Up Log In
To subscribe to email alerts, please log in first, or sign up for a DeepDyve account if you don’t already have one.
To get new article updates from a journal on your personalized homepage, please log in first, or sign up for a DeepDyve account if you don’t already have one.