Carsten Griwodz

	2012
90		Mark Claypool, Carsten Griwodz: Proceedings of the Third Annual ACM SIGMM Conference on Multimedia Systems, MMSys 2012, Chapel Hill, NC, USA, February 22-24, 2012 ACM 2012
89		Andreas Petlund, Pål Halvorsen, Pål Frogner Hansen, Torbjörn Lindgren, Rui Casais, Carsten Griwodz: Network traffic from Anarchy Online: analysis, statistics and applications: a server-side traffic trace. MMSys 2012: 95-100
88		Kristian Evensen, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen, Audun Fosselie Hansen, Paal Engelstad: Using bandwidth aggregation to improve the performance of quality-adaptive streaming. Sig. Proc.: Image Comm. 27(4): 312-328 (2012)
	2011
87		Shervin Shirmohammadi, Carsten Griwodz: 10th Annual Workshop on Network and Systems Support for Games, NetGames 2011, Ottawa, Ontario, Canada, October 6-7, 2011 IEEE 2011
86		Pengpeng Ni, Ragnhild Eg, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen: Flicker effects in adaptive video streaming to handheld devices. ACM Multimedia 2011: 463-472
85		Paul B. Beskow, Håkon Kvale Stensland, Håvard Espeland, Espen A. Kristiansen, Preben N. Olsen, Ståle Kristoffersen, Carsten Griwodz, Pål Halvorsen: Processing of multimedia data using the P2G framework. ACM Multimedia 2011: 819-820
84		Haakon Riiser, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen: Bitrate and video quality planning for mobile streaming scenarios using a GPS-based bandwidth lookup service. ICME 2011: 1-6
83		Håvard Espeland, Paul B. Beskow, Håkon Kvale Stensland, Preben N. Olsen, Ståle Kristoffersen, Carsten Griwodz, Pål Halvorsen: P2G: A Framework for Distributed Real-Time Processing of Multimedia Data. ICPP Workshops 2011: 416-426
82		Kristian Evensen, Dominik Kaspar, Audun Fosselie Hansen, Carsten Griwodz, Pål Halvorsen: Using multiple links to increase the performance of bandwidth-intensive UDP-based applications. ISCC 2011: 1117-1122
81		Tomas Kupka, Pål Halvorsen, Carsten Griwodz: An evaluation of live adaptive HTTP segment streaming request strategies. LCN 2011: 604-612
80		Kristian Evensen, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen, Audun Fosselie Hansen, Paal Engelstad: Improving the performance of quality-adaptive video streaming over multiple heterogeneous access networks. MMSys 2011: 57-68
79		Kristian Evensen, Andreas Petlund, Haakon Riiser, Paul Vigmostad, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen: Demo: quality-adaptive video streaming with dynamic bandwidth aggregation on roaming, multi-homed clients. MobiSys 2011: 355-356
78		Kjetil Raaen, Håvard Espeland, Håkon Kvale Stensland, Andreas Petlund, Pål Halvorsen, Carsten Griwodz: A demonstration of a lockless, relaxed atomicity state parallel game server (LEARS). NETGAMES 2011: 1-3
77		Kristian Evensen, Andreas Petlund, Haakon Riiser, Paul Vigmostad, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen: Mobile video streaming using location-based network prediction and transparent handover. NOSSDAV 2011: 21-26
76		Pengpeng Ni, Ragnhild Eg, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen: Spatial flicker effect in video scaling. QoMEX 2011: 55-60
	2010
75		Espen Jacobsen, Carsten Griwodz, Pål Halvorsen: Pull-patching: a combination of multicast and adaptive segmented HTTP streaming. ACM Multimedia 2010: 799-802
74		Zeljko Vrba, Pål Halvorsen, Carsten Griwodz: Program Obfuscation by Strong Cryptography. ARES 2010: 242-247
73		Zeljko Vrba, Pål Halvorsen, Carsten Griwodz: A Simple Improvement of the Work-stealing Scheduling Algorithm. CISIS 2010: 925-930
72		Dag Johansen, Håvard D. Johansen, Pål Halvorsen, Bjørn Olstad, Cathal Gurrin, Carsten Griwodz: Composing personalized video playouts using search. ICME 2010: 1534-1539
71		Haakon Riiser, Pål Halvorsen, Carsten Griwodz, Dag Johansen: Low overhead container format for adaptive streaming. MMSys 2010: 193-198
70		Håkon Kvale Stensland, Martin Øinas Myrseth, Carsten Griwodz, Pål Halvorsen: Cheat detection processing: A GPU versus CPU comparison. NETGAMES 2010: 1-6
69		Kristian Evensen, Tomas Kupka, Dominik Kaspar, Pål Halvorsen, Carsten Griwodz: Quality-adaptive scheduling for live streaming over multiple access networks. NOSSDAV 2010: 21-26
68		Håkon Kvale Stensland, Håvard Espeland, Carsten Griwodz, Pål Halvorsen: Tips, tricks and troubles: optimizing for cell and GPU. NOSSDAV 2010: 75-80
67		Frank T. Johnsen, Trude Hafsøe, Anders Eggen, Carsten Griwodz, Pål Halvorsen: Web services discovery across heterogeneous military networks. IEEE Communications Magazine 48(10): 84-90 (2010)
66		Paul B. Beskow, Andreas Petlund, Geir A. Erikstad, Carsten Griwodz, Pål Halvorsen: Reducing game latency by migration, core-selection and TCP modifications. IJAMC 4(4): 343-363 (2010)
65		Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen: Frequent layer switching for perceived quality improvements of coarse-grained scalable video. Multimedia Syst. 16(3): 171-182 (2010)
64		Åge Kvalnes, Dag Johansen, Pål Halvorsen, Carsten Griwodz: Support for enterprise consolidation of I/O bound services. Softw., Pract. Exper. 40(12): 1035-1051 (2010)
	2009
63		Pengpeng Ni, Fredrik Gaarder, Carsten Griwodz, Pål Halvorsen: Video streaming into virtual worlds: the effects of virtual screen distance and angle on perceived quality. ACM Multimedia 2009: 885-888
62		Dag Johansen, Håvard D. Johansen, Tjalve Aarflot, Joseph Hurley, Åge Kvalnes, Cathal Gurrin, Sorin Sav, Bjørn Olstad, Erik Aaberg, Tore Endestad, Haakon Riiser, Carsten Griwodz, Pål Halvorsen: DAVVI: a prototype for the next generation multimedia entertainment platform. ACM Multimedia 2009: 989-990
61		Zeljko Vrba, Pål Halvorsen, Carsten Griwodz: Evaluating the Run-Time Performance of Kahn Process Network Implementation Techniques on Shared-Memory Multiprocessors. CISIS 2009: 639-644
60		Zeljko Vrba, Pål Halvorsen, Carsten Griwodz, Paul B. Beskow: Kahn Process Networks are a Flexible Alternative to MapReduce. HPCC 2009: 154-162
59		Dominik Kaspar, Kristian Evensen, Audun Fosselie Hansen, Paal Engelstad, Pål Halvorsen, Carsten Griwodz: An analysis of the heterogeneity and IP packet reordering over multiple wireless networks. ISCC 2009: 637-642
58		Zeljko Vrba, Håvard Espeland, Pål Halvorsen, Carsten Griwodz: Limits of Work-Stealing Scheduling. JSSPP 2009: 280-299
57		Kristian Evensen, Dominik Kaspar, Paal Engelstad, Audun Fosselie Hansen, Carsten Griwodz, Pål Halvorsen: A network-layer proxy for bandwidth aggregation and reduction of IP packet reordering. LCN 2009: 585-592
56		Paul B. Beskow, Geir A. Erikstad, Pål Halvorsen, Carsten Griwodz: Evaluating ginnungagap: a middleware for migration of partial game-state utilizing core-selection for latency reduction. NETGAMES 2009: 1-6
55		Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen: Fine-grained scalable streaming from coarse-grained videos. NOSSDAV 2009: 103-108
54		Zeljko Vrba, Pål Halvorsen, Carsten Griwodz, Paul B. Beskow, Dag Johansen: The Nornir Run-time System for Parallel Programs Using Kahn Process Networks. NPC 2009: 1-8
53		Andreas Petlund, Paul B. Beskow, Jon Pedersen, Espen Søgård Paaby, Carsten Griwodz, Pål Halvorsen: Improving SCTP retransmission delays for time-dependent thin streams. Multimedia Tools Appl. 45(1-3): 33-60 (2009)
52		Paul B. Beskow, Knut-Helge Vik, Pål Halvorsen, Carsten Griwodz: The partial migration of game state and dynamic server selection to reduce latency. Multimedia Tools Appl. 45(1-3): 83-107 (2009)
51		K. Selçuk Candan, Alberto Del Bimbo, Carsten Griwodz, Alejandro Jaimes: Introduction to the special section for the best papers of ACM multimedia 2008. TOMCCAP 5(3): (2009)
	2008
50		Carsten Griwodz, Lars C. Wolf: Network and Operating System Support for Digital Audio and Video, 18th International Workshop, NOSSDAV 2008, Braunschweig, Germany, May 28-30, 2008, Proceedings ACM 2008
49		Abdulmotaleb El-Saddik, Son Vuong, Carsten Griwodz, Alberto Del Bimbo, K. Selçuk Candan, Alejandro Jaimes: Proceedings of the 16th International Conference on Multimedia 2008, Vancouver, British Columbia, Canada, October 26-31, 2008 ACM 2008
48		Haakon Riiser, Pål Halvorsen, Carsten Griwodz, Bjørn Hestnes: Performance measurements and evaluation of video streaming in HSDPA networks with 16QAM modulation. ICME 2008: 489-492
47		Svetlana Boudko, Wolfgang Leister, Carsten Griwodz, Pål Halvorsen: A benchmarking system for multipath overlay multimedia streaming. ICME 2008: 853-856
46		Knut-Helge Vik, Pål Halvorsen, Carsten Griwodz: Multicast Tree Diameter for Dynamic Distributed Interactive Applications. INFOCOM 2008: 1597-1605
45		Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen: TCP mechanisms for improving the user experience for time-dependent thin-stream applications. LCN 2008: 176-183
44		Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen: Constructing low-latency overlay networks: Tree vs. mesh algorithms. LCN 2008: 36-43
43		Wolfgang Leister, Tiia Sutinen, Svetlana Boudko, Ian Marsh, Carsten Griwodz, Pål Halvorsen: An architecture for adaptive multimedia streaming to mobile nodes. MoMM 2008: 313-316
42		Paul B. Beskow, Knut-Helge Vik, Pål Halvorsen, Carsten Griwodz: Latency reduction by dynamic core selection and partial migration of game state. NETGAMES 2008: 79-84
41		Andreas Petlund, Kristian Evensen, Pål Halvorsen, Carsten Griwodz: Improving application layer latency for reliable thin-stream game traffic. NETGAMES 2008: 91-96
40		Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen: TCP enhancements for interactive thin-stream applications. NOSSDAV 2008: 127-128
39		Håvard Espeland, Carl Henrik Lunde, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen: Transparent protocol translation and load balancing on a network processor in a media streaming scenario. NOSSDAV 2008: 129-130
38		Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen: Evaluation of multi-core scheduling mechanisms for heterogeneous processing architectures. NOSSDAV 2008: 33-38
37		Knut-Helge Vik, Pål Halvorsen, Carsten Griwodz: Evaluating Steiner-tree heuristics and diameter variations for application layer multicast. Computer Networks 52(15): 2872-2893 (2008)
36		Kristian Evensen, Andreas Petlund, Carsten Griwodz, Pål Halvorsen: Redundant bundling in TCP to reduce perceived latency for time-dependent thin streams. IEEE Communications Letters 12(4): 324-326 (2008)
	2007
35		Håvard Espeland, Carl Henrik Lunde, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen: Transparent protocol translation for streaming. ACM Multimedia 2007: 771-774
34		Frank T. Johnsen, Trude Hafsoe, Carsten Griwodz, Pål Halvorsen: Workload Characterization for News-on-Demand Streaming Services. IPCCC 2007: 314-323
33		Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen: Dynamic Group Membership Management for Distributed Interactive Applications. LCN 2007: 141-148
32		Szabolcs Harcsik, Andreas Petlund, Carsten Griwodz, Pål Halvorsen: Latency evaluation of networking mechanisms for game traffic. NETGAMES 2007: 129-134
31		Pål Halvorsen, Tom Anders Dalseng, Carsten Griwodz: Assessment of Linux' Data Path Implementations for Download and Streaming. International Journal of Software Engineering and Knowledge Engineering 17(4): 465-481 (2007)
30		Carsten Griwodz, Surendar Chandra: Guest editors' note. Multimedia Syst. 13(1): 1-2 (2007)
	2006
29		Wladimir Palant, Carsten Griwodz, Pål Halvorsen: GLS: simulator for online multi-player games. ACM Multimedia 2006: 805-806
28		Carsten Griwodz, Frank T. Johnsen, Simen Rekkedal, Pål Halvorsen: Caching of interactive multiple choice MPEG-4 presentations. IPCCC 2006
27		Frank T. Johnsen, Trude Hafsoe, Carsten Griwodz: Analysis of Server Workload and Client Interactions in a News-on-Demand Streaming System. ISM 2006: 724-727
26		Jon Pedersen, Carsten Griwodz, Pål Halvorsen: Considerations of SCTP Retransmission Delays for Thin Streams. LCN 2006: 135-142
25		Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen: Applicability of group communication for increased scalability in MMOGs. NETGAMES 2006: 2
24		Wladimir Palant, Carsten Griwodz, Pål Halvorsen: Consistency requirements in multiplayer online games. NETGAMES 2006: 51
23		Carsten Griwodz, Pål Halvorsen: The fun of using TCP for an MMORPG. NOSSDAV 2006: 1
22		Wladimir Palant, Carsten Griwodz, Pål Halvorsen: Evaluating dead reckoning variations with a multi-player game simulator. NOSSDAV 2006: 4
	2005
21		Pål Halvorsen, Tom Anders Dalseng, Carsten Griwodz: Assessment of Data Path Implementations for Download and Streaming. DMS 2005: 228-233
20		Sten Lundesgaard Amundsen, Ketil Lund, Carsten Griwodz, Pål Halvorsen: QoS-aware Mobile Middleware for Video Streaming. EUROMICRO-SEAA 2005: 54-61
	2004
19		Frank T. Johnsen, Carsten Griwodz, Pål Halvorsen: Structured Partially Caching Proxies for Mixed Media. WCW 2004: 144-153
18		Pål Halvorsen, Carsten Griwodz, Vera Goebel, Ketil Lund, Thomas Plagemann, Jonathan Walpole: Storage System Support for Continuous-Media Applications, Part 1: Requirements and Single-Disk Issues. IEEE Distributed Systems Online 5(1): (2004)
17		Pål Halvorsen, Carsten Griwodz, Vera Goebel, Ketil Lund, Thomas Plagemann, Jonathan Walpole: Storage System Support for Continuous-Media Applications, Part 1: Requirements and Single-Disk Issues. IEEE Distributed Systems Online 5(2): (2004)
	2003
16		Thomas Plagemann, Vera Goebel, Carsten Griwodz, Pål Halvorsen: Towards Middleware Services for Mobile Ad-Hoc Network Applications. FTDCS 2003: 249-
	2002
15		Carsten Griwodz: State replication for multiplayer games. NETGAMES 2002: 29-35
	2001
14		Carsten Griwodz, Michael Liepert, Abdulmotaleb El-Saddik, Giwon On, Michael Zink, Ralf Steinmetz: Perceived Consistency. AICCSA 2001: 260-266
13		Giwon On, Michael Zink, Michael Liepert, Carsten Griwodz, Jens Schmitt, Ralf Steinmetz: Replication for a Distributed Multimedia System. ICPADS 2001: 37-44
12		Denise J. Ecklund, Vera Goebel, Thomas Plagemann, Earl F. Ecklund Jr., Carsten Griwodz, Jan Øyvind Aagedal, Ketil Lund, Arne-Jørgen Berre: QoS Management Middleware: A Separable, Reusable Solution. IDMS 2001: 124-137
11		Michael Zink, Carsten Griwodz, Ralf Steinmetz: KOM Player - A Platform for Experimental VoD Research. ISCC 2001: 370-375
10		Andrew T. Campbell, Carsten Griwodz, Jörg Liebeherr, Dwight J. Makaroff, Andreas Mauthe, Giorgio Ventre, Michael Zink: Panel Discussion: How Will Media Distribution Work in the Internet. IWQoS 2001: 3-5
	2000
9		Ralf Ackermann, Utz Roedig, Michael Zink, Carsten Griwodz, Ralf Steinmetz: Associating network flows with user and application information. ACM Multimedia Workshops 2000: 149-152
8		Carsten Griwodz: Video-on-Demand in Weitverkehrsnetzen. Praxis der Informationsverarbeitung und Kommunikation 23(2): 107-109 (2000)
7		Carsten Griwodz, Michael Liepert, Michael Zink, Ralf Steinmetz: Tune to Lambda patching. SIGMETRICS Performance Evaluation Review 27(4): 20-26 (2000)
	1999
6		Carsten Griwodz, Michael Zink, Michael Liepert, Ralf Steinmetz: Position paper: Internet VoD cache server design. ACM Multimedia (2) 1999: 123-126
	1998
5		Carsten Griwodz, Oliver Merkel, Jana Dittmann, Ralf Steinmetz: Protecting VoD the Easier Way. ACM Multimedia 1998: 21-28
4		Abdulmotaleb El-Saddik, Carsten Griwodz, Ralf Steinmetz: Exploiting User Behaviour in Prefetching WWW Documents. IDMS 1998: 302-311
	1997
3		Carsten Griwodz, Michael Bär, Lars C. Wolf: Long-Term Movie Popularity Models in Video-on-Demand Systems: Or the Life of an On-Demand Movie. ACM Multimedia 1997: 349-357
	1995
2		H. Cossmann, Carsten Griwodz, G. Grassel, M. Pühlhöfer, M. Schreiber, Ralf Steinmetz, Hartmut Wittig, Lars C. Wolf: GLASS: A Distributed MHEG-Based Multimedia System. COST 237 Workshop 1995: 61-78
1		Hartmut Wittig, Carsten Griwodz: Intelligent Media Agents in Interactive Television Systems. ICMCS 1995: 182-190

Coauthor Index

1	Erik Aaberg	[62]
2	Jan Øyvind Aagedal	[12]
3	Tjalve Aarflot	[62]
4	Ralf Ackermann	[9]
5	Sten Lundesgaard Amundsen	[20]
6	Michael Bär	[3]
7	Arne-Jørgen Berre	[12]
8	Paul B. Beskow	[42] [52] [53] [54] [56] [60] [66] [83] [85]
9	Alberto Del Bimbo	[49] [51]
10	Svetlana Boudko	[43] [47]
11	Andrew T. Campbell	[10]
12	K. Selçuk Candan (Kasim Selçuk Candan)	[49] [51]
13	Rui Casais	[89]
14	Surendar Chandra	[30]
15	Mark Claypool	[90]
16	H. Cossmann	[2]
17	Tom Anders Dalseng	[21] [31]
18	Jana Dittmann	[5]
19	Denise J. Ecklund	[12]
20	Earl F. Ecklund Jr.	[12]
21	Ragnhild Eg	[76] [86]
22	Anders Eggen	[67]
23	Alexander Eichhorn	[55] [65] [76] [86]
24	Abdulmotaleb El-Saddik	[4] [14] [49]
25	Tore Endestad	[62]
26	Paal E. Engelstad (Paal Engelstad)	[57] [59] [80] [88]
27	Geir A. Erikstad	[56] [66]
28	Håvard Espeland	[35] [39] [58] [68] [78] [83] [85]
29	Kristian Evensen	[36] [40] [41] [45] [57] [59] [69] [77] [79] [80] [82] [88]
30	Fredrik Gaarder	[63]
31	Vera Goebel	[12] [16] [17] [18]
32	G. Grassel	[2]
33	Cathal Gurrin	[62] [72]
34	Trude Hafsoe (Trude Hafsøe)	[27] [34] [67]
35	Pål Halvorsen	[16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [28] [29] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66] [67] [68] [69] [70] [71] [72] [73] [74] [75] [76] [77] [78] [79] [80] [81] [82] [83] [84] [85] [86] [88] [89]
36	Audun Fosselie Hansen	[57] [59] [80] [82] [88]
37	Pål Frogner Hansen	[89]
38	Szabolcs Harcsik	[32]
39	Bjørn Hestnes	[48]
40	Joseph Hurley	[62]
41	Espen Jacobsen	[75]
42	Alejandro Jaimes (Alejandro Jaimes-Larrarte)	[49] [51]
43	Dag Johansen	[54] [62] [64] [71] [72]
44	Håvard D. Johansen	[62] [72]
45	Frank T. Johnsen	[19] [27] [28] [34] [67]
46	Dominik Kaspar	[57] [59] [69] [77] [79] [80] [82] [88]
47	Espen A. Kristiansen	[85]
48	Ståle Kristoffersen	[83] [85]
49	Tomas Kupka	[69] [81]
50	Åge Kvalnes	[62] [64]
51	Wolfgang Leister	[43] [47]
52	Jörg Liebeherr	[10]
53	Michael Liepert	[6] [7] [13] [14]
54	Torbjörn Lindgren	[89]
55	Ketil Lund	[12] [17] [18] [20]
56	Carl Henrik Lunde	[35] [39]
57	Dwight J. Makaroff	[10]
58	Ian Marsh	[43]
59	Andreas Mauthe (Andreas U. Mauthe)	[10]
60	Oliver Merkel	[5]
61	Martin Øinas Myrseth	[70]
62	Pengpeng Ni	[55] [63] [65] [76] [86]
63	Preben N. Olsen	[83] [85]
64	Bjørn Olstad	[62] [72]
65	Giwon On	[13] [14]
66	Espen Søgård Paaby	[53]
67	Wladimir Palant	[22] [24] [29]
68	Jon Pedersen	[26] [53]
69	Andreas Petlund	[32] [36] [40] [41] [45] [53] [66] [77] [78] [79] [89]
70	Thomas Plagemann	[12] [16] [17] [18]
71	M. Pühlhöfer	[2]
72	Kjetil Raaen	[78]
73	Simen Rekkedal	[28]
74	Haakon Riiser	[48] [62] [71] [77] [79] [84]
75	Utz Roedig	[9]
76	Sorin Sav	[62]
77	Jens B. Schmitt (Jens Schmitt)	[13]
78	M. Schreiber	[2]
79	Shervin Shirmohammadi	[87]
80	Ralf Steinmetz	[2] [4] [5] [6] [7] [9] [11] [13] [14]
81	Håkon Kvale Stensland	[35] [38] [39] [68] [70] [78] [83] [85]
82	Tiia Sutinen	[43]
83	Giorgio Ventre	[10]
84	Paul Vigmostad	[77] [79] [84]
85	Knut-Helge Vik	[25] [33] [37] [42] [44] [46] [52]
86	Zeljko Vrba	[54] [58] [60] [61] [73] [74]
87	Son Vuong	[49]
88	Jonathan Walpole	[17] [18]
89	Hartmut Wittig	[1] [2]
90	Lars C. Wolf	[2] [3] [50]
91	Michael Zink	[6] [7] [9] [10] [11] [13] [14]

Colors in the list of coauthors

Last update Thu May 31 18:55:10 2012 CET by the DBLP Team — Data released under the ODC-BY 1.0 license — See also our legal information page