Figure 1. Exploration of lives of famous historical people using TimeSlice. The user is comparing female engineers and scientists, all philosophers, and politicians of each gender. Occupations such as philosophers are popular in early time. But people are actively involved in politics later (about 1300AD) in which females are few and involved even later (about 1900AD). Also, there seems to be fewer female engineers and scientists between 1300AD and 1700AD, which requires further exploration of the history. Temporal events with multiple sets of metadata attributes, i.e., facets, are ubiquitous across different domains. The capabilities of efficiently viewing and comparing events data from various perspectives are critical for revealing relationships, making hypotheses, and discovering patterns. In this paper, we present TimeSlice, an interactive faceted visualization of temporal events, which allows users to easily compare and explore timelines with different attributes on a set of facets. By directly manipulating the filtering tree, a dynamic visual representation of queries and filters in the facet space, users can simultaneously browse the focused timelines and their contexts at different levels of detail, which supports efficient navigation of multi-dimensional events data. Also presented is an initial evaluation of TimeSlice with two datasets- famous deceased people and US daily flight delays. Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee
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