Truth discovery on crowd sensing of correlated entities

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Truth discovery on crowd sensing of correlated entities (2015)

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by Chuishi Meng , Wenjun Jiang , Yaliang Li , Jing Gao , Lu Su , Hu Ding , Yun Cheng

Venue:	In Proceedings of the 13th ACM Conference on Embedded Networked Sensor Systems (Sensys’15
Citations:	2 - 1 self

Citations

3421	Mapreduce: Simplified data processing on large clusters - Dean, Ghemawat - 2004 (Show Context) Citation Context ...ervations. To conduct truth discovery on this “big data”, we hope to take advantage of cloud computing techniques to process large-scale data in parallel. Among parallel programming models, MapReduce =-=[11]-=- is widely adopted for many data mining tasks on large-scale data. In this section, we describe our design of a MapReduce model based parallel algorithm on Hadoop platform. A typical MapReduce model c...
1213	Nonlinear Programming. Athena Scientific - Bertsekas - 1999 (Show Context) Citation Context ...nd user weights W, by minimizing the objective function f(X (∗),W) under the constraint. For an optimization problem with two sets of variables, it is natural to use block coordinate descent approach =-=[3]-=- to solve the problem. The idea is to iteratively update one set of variables while fixing the other one. However, due to the existence of the regularization term, it is non-trivial to solve Eq(1) as ...
420	New methods to color the vertices of a graph - Brélaz - 1979 (Show Context) Citation Context ...ex coloring, is an NP-complete problem. However, some heuristic algorithms have been proposed, which are efficient and can produce good solutions in practice. We adopt the well-known Dsatur algorithm =-=[5]-=- to find disjoint independent sets in our task. The procedure is described as follows. We first define the saturation degree of a vertex as the number of different independent sets that are covered by...
204	A survey of mobile phone sensing - Lane, Miluzzo, et al. - 2010 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
146	Bikenet: A mobile sensing system for cyclist experience mapping - Eisenman, Miluzzo, et al. (Show Context) Citation Context ... central server, user-contributed information is aggregated to obtain useful information. Much attention is now contributed to the development of crowd sensing systems for various application domains =-=[4, 7, 14, 21, 32, 38]-=-. An important task in the crowd sensing system is the aggregation of user-contributed information. Users may provide conflicting and noisy information on the same entity, and then how to discover the...
128	Truth discovery with multiple conflicting information providers on the web - Yin, Han, et al. - 2007 (Show Context) Citation Context ...o often report true information. However, users’ reliability degrees are not known a priori. To tackle the challenge of discovering both true information and user reliability, truth discovery methods =-=[26, 27, 28, 44, 47]-=- have been proposed based on the principle that reliable users tend to report true information and truth should be reported by many reliable users. Although truth discovery techniques can be applied t...
93	Ear-Phone: An End-to-End Participatory Urban Noise Mapping System”, in - Rana, Chou, et al. - 2010 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
85	Mobile crowdsensing: current state and future challenges,” - Ganti, Ye, et al. - 2011 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
74	Corroborating Information from Disagreeing Views - Galland, Abiteboul, et al. - 2010 (Show Context) Citation Context ...dge into truth discovery. In these methods, a source“invests” its reliability on the observations it provides, and credits are collected by the confidence on its invested observations. Galland et al. =-=[15]-=- modeled the difficulty of getting the truths while computing source weights. Yin et al. [48] proposed a semi-supervised method which can propagate the information trustworthiness obtained from the ob...
61	Greengps: a participatory sensing fuelefficient maps application. - Ganti, Pham, et al. - 2010 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
59	The Personal Environmental Impact Report, as a Platform for Participatory Sensing Systems Research - PEIR - 2009 (Show Context) Citation Context ... central server, user-contributed information is aggregated to obtain useful information. Much attention is now contributed to the development of crowd sensing systems for various application domains =-=[4, 7, 14, 21, 32, 38]-=-. An important task in the crowd sensing system is the aggregation of user-contributed information. Users may provide conflicting and noisy information on the same entity, and then how to discover the...
50	Cenwits: a sensor-based loosely coupled search and rescue system using witnesses - Huang, Amjad, et al. (Show Context) Citation Context ... central server, user-contributed information is aggregated to obtain useful information. Much attention is now contributed to the development of crowd sensing systems for various application domains =-=[4, 7, 14, 21, 32, 38]-=-. An important task in the crowd sensing system is the aggregation of user-contributed information. Users may provide conflicting and noisy information on the same entity, and then how to discover the...
44	Knowing what to believe (when you already know something). - Pasternack, Roth - 2010 (Show Context) Citation Context ...of the reliability of the sources that provide the observation. Later, the topic attracts much attention and methods are developed to infer both source reliabilities and true facts. Pasternack et al. =-=[33, 34]-=- proposed methods to incorporate prior knowledge into truth discovery. In these methods, a source“invests” its reliability on the observations it provides, and credits are collected by the confidence ...
42	Biketastic: sensing and mapping for better biking - Reddy, Shilton, et al. - 2010 (Show Context) Citation Context ... central server, user-contributed information is aggregated to obtain useful information. Much attention is now contributed to the development of crowd sensing systems for various application domains =-=[4, 7, 14, 21, 32, 38]-=-. An important task in the crowd sensing system is the aggregation of user-contributed information. Users may provide conflicting and noisy information on the same entity, and then how to discover the...
39	SociableSense: Exploring the Trade-offs of Adaptive Sampling and Computation Offloading for Social Sensing. In - Rachuri, Mascolo, et al. - 2011 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
38	A Bayesian approach to discovering truth from conflicting sources for data integration. - Zhao, Rubinstein, et al. - 2012 (Show Context) Citation Context ...weights. Yin et al. [48] proposed a semi-supervised method which can propagate the information trustworthiness obtained from the observed ground truths. Probabilistic graphical models were adopted in =-=[49, 50]-=- and source selection problem was studied in [12, 39]. A maximum likelihood estimation approach was proposed by Wang et al. in [44] which adopted expectation maximization method, and it was designed f...
36	Towards trustworthy participatory sensing - Dua, Bulusu, et al. - 2009 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
32	On truth discovery in social sensing: a maximum likelihood estimation approach - Wang, Kaplan, et al. (Show Context) Citation Context ...o often report true information. However, users’ reliability degrees are not known a priori. To tackle the challenge of discovering both true information and user reliability, truth discovery methods =-=[26, 27, 28, 44, 47]-=- have been proposed based on the principle that reliable users tend to report true information and truth should be reported by many reliable users. Although truth discovery techniques can be applied t...
27	Automatically characterizing places with opportunistic crowdsensing using smartphones - Chon, Lane, et al. - 2012 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
24	EasyTracker: automatic transit tracking, mapping, and arrival time prediction using smartphones - Biagioni, Gerlich, et al. - 2011 (Show Context) Citation Context ... central server, user-contributed information is aggregated to obtain useful information. Much attention is now contributed to the development of crowd sensing systems for various application domains =-=[4, 7, 14, 21, 32, 38]-=-. An important task in the crowd sensing system is the aggregation of user-contributed information. Users may provide conflicting and noisy information on the same entity, and then how to discover the...
24	Semi-supervised truth discovery. - Yin, Tan - 2011 (Show Context) Citation Context ...ions it provides, and credits are collected by the confidence on its invested observations. Galland et al. [15] modeled the difficulty of getting the truths while computing source weights. Yin et al. =-=[48]-=- proposed a semi-supervised method which can propagate the information trustworthiness obtained from the observed ground truths. Probabilistic graphical models were adopted in [49, 50] and source sele...
22	Are you contributing trustworthy data?: the case for a reputation system in participatory sensing - Huang, Kanhere, et al. - 2010 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
21	Making better informed trust decisions with generalized fact-finding. - Pasternack, Roth - 2011 (Show Context) Citation Context ...of the reliability of the sources that provide the observation. Later, the topic attracts much attention and methods are developed to infer both source reliabilities and true facts. Pasternack et al. =-=[33, 34]-=- proposed methods to incorporate prior knowledge into truth discovery. In these methods, a source“invests” its reliability on the observations it provides, and credits are collected by the confidence ...
19	Mobile Phone Sensing Systems: A Survey”, - Khan, Univ, et al. - 2013 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
17	Resolving conflicts in heterogeneous data by truth discovery and source reliability estimation. - Li, Li, et al. - 2014 (Show Context) Citation Context ...o often report true information. However, users’ reliability degrees are not known a priori. To tackle the challenge of discovering both true information and user reliability, truth discovery methods =-=[26, 27, 28, 44, 47]-=- have been proposed based on the principle that reliable users tend to report true information and truth should be reported by many reliable users. Although truth discovery techniques can be applied t...
15	Less is more: Selecting sources wisely for integration. - Dong, Saha, et al. - 2012 (Show Context) Citation Context ...ethod which can propagate the information trustworthiness obtained from the observed ground truths. Probabilistic graphical models were adopted in [49, 50] and source selection problem was studied in =-=[12, 39]-=-. A maximum likelihood estimation approach was proposed by Wang et al. in [44] which adopted expectation maximization method, and it was designed for categorical data. Recently, approaches have been p...
12	METIS: Exploring Mobile Phone Sensing Offloading for Efficiently Supporting Social Sensing Applications. - Rachuri, Efstatiou, et al. - 2013 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
11	Piggyback CrowdSensing (PCS): energy efficient crowdsourcing of mobile sensor data by exploiting smartphone app opportunities - Lane, Chon, et al. - 2013 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
11	A confidence-aware approach for truth discovery on long-tail data. - Li, Li, et al. - 2015 (Show Context) Citation Context ...o often report true information. However, users’ reliability degrees are not known a priori. To tackle the challenge of discovering both true information and user reliability, truth discovery methods =-=[26, 27, 28, 44, 47]-=- have been proposed based on the principle that reliable users tend to report true information and truth should be reported by many reliable users. Although truth discovery techniques can be applied t...
10	Understanding the coverage and scalability of place-centric crowdsensing. - Chon, Lane, et al. - 2013 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
8	Towards cyber-physical systems in social spaces: The data reliability challenge - Wang, Wang, et al. - 2014 (Show Context) Citation Context ...ng entities which are modeled with the joint probability of correlated variables, and derived an expectation maximization based algorithm to infer both entities’ states and sources’ reliabilities. In =-=[46]-=-, they proposed a method to capture the temporal correlations among entities, and a joint probability of any given sequence of observed values are calculated from historical data to model the temporal...
7	AirCloud: a cloud-based air-quality monitoring system for everyone. - Cheng, Li, et al. - 2014 (Show Context) Citation Context ... central server, user-contributed information is aggregated to obtain useful information. Much attention is now contributed to the development of crowd sensing systems for various application domains =-=[4, 7, 14, 21, 32, 38]-=-. An important task in the crowd sensing system is the aggregation of user-contributed information. Users may provide conflicting and noisy information on the same entity, and then how to discover the...
7	Characterizing and selecting fresh data sources - Rekatsinas, Dong, et al. (Show Context) Citation Context ...ethod which can propagate the information trustworthiness obtained from the observed ground truths. Probabilistic graphical models were adopted in [49, 50] and source selection problem was studied in =-=[12, 39]-=-. A maximum likelihood estimation approach was proposed by Wang et al. in [44] which adopted expectation maximization method, and it was designed for categorical data. Recently, approaches have been p...
7	Exploitation of physical constraints for reliable social sensing - Wang, Abdelzaher, et al. - 2013 (Show Context) Citation Context ...discovery framework for crowd sensing systems. Note that the approaches discussed in this paragraph tackle some other challenges in truth discovery but do not consider correlations among entities. In =-=[43]-=-, the authors considered physical correlations among entities which are modeled with the joint probability of correlated variables, and derived an expectation maximization based algorithm to infer bot...
7	A probabilistic model for estimating real-valued truth from conflicting sources. - Zhao, Han - 2012 (Show Context) Citation Context ...weights. Yin et al. [48] proposed a semi-supervised method which can propagate the information trustworthiness obtained from the observed ground truths. Probabilistic graphical models were adopted in =-=[49, 50]-=- and source selection problem was studied in [12, 39]. A maximum likelihood estimation approach was proposed by Wang et al. in [44] which adopted expectation maximization method, and it was designed f...
6	Generalized decision aggregation in distributed sensing systems - Su, Li, et al. - 2014 (Show Context) Citation Context ...was proposed by Wang et al. in [44] which adopted expectation maximization method, and it was designed for categorical data. Recently, approaches have been proposed to handle heterogeneous data types =-=[27, 26, 41]-=-, such as categorical data and continuous data. Ma et al. [30] proposed a fine grained truth discovery model to handle users with various expertise levels on different topics. In [31], Miao et al. pro...
4	Crowdsensing maps of on-street parking spaces - Coric, Gruteser - 2013 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
4	Smartroad: Smartphone-based crowd sensing for traffic regulator detection and identification - Hu, Su, et al. - 2015 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
4	Faitcrowd: Fine grained truth discovery for crowdsourced data aggregation. - Ma, Li, et al. - 2015 (Show Context) Citation Context ...tion method, and it was designed for categorical data. Recently, approaches have been proposed to handle heterogeneous data types [27, 26, 41], such as categorical data and continuous data. Ma et al. =-=[30]-=- proposed a fine grained truth discovery model to handle users with various expertise levels on different topics. In [31], Miao et al. proposed a cloud-enabled privacy-preserving truth discovery frame...
4	Scalable social sensing of interdependent phenomena - Wang, Su, et al. - 2015 (Show Context) Citation Context ... method to capture the temporal correlations among entities, and a joint probability of any given sequence of observed values are calculated from historical data to model the temporal correlation. In =-=[45]-=-, the authors proposed a scalable algorithm which modeled the structure of correlations as a Bayesian network. The proposed algorithm is efficient because the conditional independence property in the ...
3	Towards automatic phone-to-phone communication for vehicular networking applications - Hu, Liu, et al. - 2014 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
3	A survey on truth discovery. arXiv preprint arXiv:1505.02463 - Li, Gao, et al. - 2015 (Show Context) Citation Context ...o often report true information. However, users’ reliability degrees are not known a priori. To tackle the challenge of discovering both true information and user reliability, truth discovery methods =-=[26, 27, 28, 44, 47]-=- have been proposed based on the principle that reliable users tend to report true information and truth should be reported by many reliable users. Although truth discovery techniques can be applied t...
2	Rise of the indoor crowd: Reconstruction of building interior view via mobile crowdsourcing - Chen, Li, et al. - 2015 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
2	et al. Experiences with enav: A low-power vehicular navigation system - Hu, Su, et al. - 2015 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
2	On the discovery of evolving truth - Li, Li, et al. - 2015 (Show Context) Citation Context ...ized to other data types, such as continuous data. In contrast, the proposed method in this paper works on continuous data and correlations, and thus the problem setting is quite different. Li et al. =-=[29]-=- proposed an incremental truth discovery framework that can dynamically update object truths and source weights when the information comes sequentially. However, they only consider the temporal relati...
2	Cloud-enabled privacy-preserving truth discovery in crowd sensing systems - Miao, Jiang, et al. - 2015 (Show Context) Citation Context ...ta types [27, 26, 41], such as categorical data and continuous data. Ma et al. [30] proposed a fine grained truth discovery model to handle users with various expertise levels on different topics. In =-=[31]-=-, Miao et al. proposed a cloud-enabled privacy-preserving truth discovery framework for crowd sensing systems. Note that the approaches discussed in this paragraph tackle some other challenges in trut...
2	Experiences with greengps–fuel-efficient navigation using participatory sensing - Saremi, Fatemieh, et al. (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...
2	Conferencesense: A case study of sensing public gatherings using participatory smartphones - Subbaraju, Kumar, et al. - 2013 (Show Context) Citation Context ...: Comparison of User Reliability Degrees with Ground Truths (Coverage = 0.8) 6. RELATED WORK We review related work based on the following two categories. Crowd Sensing. The research of crowd sensing =-=[4, 6, 8, 9, 10, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 35, 36, 37, 38, 40, 42]-=- has received more and more attention with the rapid development of pervasive sensors, smartphones, and network technologies. Thanks to the rich set of sensors (e.g., accelerometer, gyroscope, GPS, mi...