Cluster and calendar based visualization of time series data

Wijk, Jarke J. van; Selow, E.R. van

doi:10.1109/infvis.1999.801851

Cited by 249 publications

(166 citation statements)

References 4 publications

(4 reference statements)

Supporting

Mentioning

158

Contrasting

Order By: Relevance

“…For example in Fig.6 (3). As the time series has M = 5 041 subsequences of length n = 360, on average 61 000 or more distance queries are needed by (2) in Proposition 1.…”

Section: M ) Such That Location σ(I) Will Be Evaluated Before σ(Imentioning

confidence: 99%

See 1 more Smart Citation

Parameter-Free Search of Time-Series Discord

Luo

Gallagher

Wiles

2013

J. Comput. Sci. Technol.

View full text Add to dashboard Cite

Time-series discord is widely used in data mining applications to characterize anomalous subsequences in time series. Compared to some other discord search algorithms, the direct search algorithm based on the recurrence plot shows the advantage of being fast and parameter free. The direct search algorithm, however, relies on quasi-periodicity in input time series, an assumption that limits the algorithm's applicability. In this paper, we eliminate the periodicity assumption from the direct search algorithm by proposing a reference function for subsequences and a new sampling strategy based on the reference function. These measures result in a new algorithm with improved efficiency and robustness, as evidenced by our empirical evaluation.

show abstract

“…For example in Fig.6 (3). As the time series has M = 5 041 subsequences of length n = 360, on average 61 000 or more distance queries are needed by (2) in Proposition 1.…”

Section: M ) Such That Location σ(I) Will Be Evaluated Before σ(Imentioning

confidence: 99%

“…Anomaly detection in time series has a broad range of applications (see for example [1][2][3][4]). Diverse applications have led to various characterizations of anomalies and consequently a large number of detection methods (see for example [2,[5][6][7][8]).…”

Section: Introductionmentioning

confidence: 99%

Parameter-Free Search of Time-Series Discord

Luo

Gallagher

Wiles

2013

J. Comput. Sci. Technol.

View full text Add to dashboard Cite

show abstract

“…This is a publicly available data set 1 containing 35,040 data values. Each data point represents the average power demand (in Kilo Watts) for each 15 minute interval during 1997 for the ECN research centre in the Netherlands [19].…”

Section: Power Demand Datamentioning

confidence: 99%

Motif detection inspired by immune memory

Wilson

Birkin

Aickelin

2011

Journal of the Operational Research Society

View full text Add to dashboard Cite

Abstract. The search for patterns or motifs in data represents an area of key interest to many researchers. In this paper we present the Motif Tracking Algorithm, a novel immune inspired pattern identification tool that is able to identify variable length unknown motifs which repeat within time series data. The algorithm searches from a neutral perspective that is independent of the data being analysed and the underlying motifs. In this paper we test the flexibility of the motif tracking algorithm by applying it to the search for patterns in two industrial data sets. The algorithm is able to identify a population of meaningful motifs in both cases, and the value of these motifs is discussed.

show abstract

“…The detail widget holds a Calendar View [21] and a Graph View. The average temperature of each calendar day defines the colour code of the initial Calendar View.…”

Section: Libvizmentioning

confidence: 99%

Towards the Big Picture: Enriching 3D Models with Information Visualisation and Vice Versa

Sedlmair

Ruhland

Hennecke

et al. 2009

Lecture Notes in Computer Science

View full text Add to dashboard Cite

Abstract. Most information visualisation methods are based on abstract visual representations without any concrete manifestation in the "real world". However, a variety of abstract datasets can indeed be related to, and hence enriched by, real-world aspects. In these cases an additional virtual representation of the 3D object can help to gain a better insight into the connection between abstract and real-world issues. We demonstrate this approach with two prototype systems that combine information visualisation with 3D models in multiple coordinated views. The first prototype involves the visualisation of in-car communication traces. The 3D model of the car serves as one view among several and provides the user with information about the car's activities. LibViz, our second prototype, is based on a full screen 3D representation of a library building. Measured data is visualised in overlaid, semi-transparent windows to allow the user interpretation of the data in its spatial context of the library's 3D model. Based on the two prototypes, we identify the benefits and drawbacks of the approach, investigate aspects of coordination between the 3D model and the abstract visualisations, and discuss principals for a general approach.

show abstract

Cluster and calendar based visualization of time series data

Abstract: Abstract

Cited by 249 publications

References 4 publications

Parameter-Free Search of Time-Series Discord

Parameter-Free Search of Time-Series Discord

Motif detection inspired by immune memory

Towards the Big Picture: Enriching 3D Models with Information Visualisation and Vice Versa

Contact Info

Product

Resources

About