Kamalakar Karlapalem

207 papers A* 5A 28B 17C 13Misc 9Journal 56Unranked 75
YearRankTypeTitle / Venue / Authors
2026 J jnl
CoRR
Prateek Sancheti, Kamalakar Karlapalem, Kavita Vemuri
2025 ed.
ER (Companion)
Patrick Marcel, Thomas Polacsek, Kamalakar Karlapalem, Stéphane Jean, Hongzhi Wang, Stephen W. Liddle, Janis Grabis, Jolita Ralyté, João Paulo A. Almeida, Isabelle Comyn-Wattiau, Geert Poels, Sihem Amer-Yahia, Veda C. Storey, Carlos Ordonez, Juan Carlos Trujillo Mondéjar, Maribel Yasmina Santos, Greta Adamo, Jeffrey Parsons, Hui Ma
2025 conf
ER (Companion)
Pisipati Radha Krishna, Kamalakar Karlapalem, Satyanarayana R. Valluri
2025 conf
SIGSPATIAL/GIS
Shravan Gadbail, Masumi Desai, Kamalakar Karlapalem
2025 J jnl
CoRR
Shravan Gadbail, Masumi Desai, Kamalakar Karlapalem
2025 J jnl
CoRR
Rishabh Dev Yadav, Shrey Agrawal, Kamalakar Karlapalem
2024 A conf
GD
Garima Jindal, Kamalakar Karlapalem
2024 conf
COMAD/CODS (December)
Kamalakar Karlapalem, P. Radha Krishna, Satyanarayana R. Valluri
2024 conf
WWW (Companion Volume)
Prateek Sancheti, Kamalakar Karlapalem, Kavita Vemuri
2023 J jnl
CoRR
Kamalakar Karlapalem
2023 conf
IEEE VIS (Short Papers)
Garima Jindal, Kamalakar Karlapalem
2023 J jnl
CoRR
Aashay Singhal, Kamalakar Karlapalem
2023 conf
WWW (Companion Volume)
Nikhil E, Anshul Padhi, Pulkit Parikh, Swati Kanwal, Kamalakar Karlapalem, Natraj Raman
2023 A conf
AAMAS
Ayushman Panda, Kamalakar Karlapalem
2023 conf
COMAD/CODS
Sairam Utukuru, Pisipati Radha Krishna, Kamalakar Karlapalem
2023 J jnl
CoRR
Kamalakar Karlapalem
2023 J jnl
CoRR
Loay Rashid, Lini Thomas, Kamalakar Karlapalem
2023 J jnl
CoRR
Vijayraj Shanmugaraj, Lini T. Thomas, Kamalakar Karlapalem
2023 conf
WWW (Companion Volume)
Aashay Singhal, Kamalakar Karlapalem
2022 conf
BioNLP@ACL
Anshita Khandelwal, Alok Kar, Veera Raghavendra Chikka, Kamalakar Karlapalem
2022 A ed.
ER
Jolita Ralyté, Sharma Chakravarthy, Mukesh K. Mohania, Manfred A. Jeusfeld, Kamalakar Karlapalem
2022 conf
WWW (Companion Volume)
Ujwal Narayan, Pulkit Parikh, Kamalakar Karlapalem, Natraj Raman
2022 conf
WWW (Companion Volume)
Sathvik Sanjeev Buggana, Deepti Saravanan, Shravya Kanchi, Ujwal Narayan, Shivam Mangale, Lini T. Thomas, Kamalakar Karlapalem, Natraj Raman
2021 conf
CODASPY
Shravya Kanchi, Kamalakar Karlapalem
2020 A conf
AAMAS
Akshat Tandon, Kamalakar Karlapalem
2020 J jnl
ACM Trans. Comput. Heal.
Veera Raghavendra Chikka, Kamalakar Karlapalem
2020 conf
SSRR
Yahnit Sirineni, Rahul Tallamraju, Abhay Rawat, Kamalakar Karlapalem
2020 J jnl
CoRR
Abhay Rawat, Kamalakar Karlapalem
2020 ed.
WISE Workshops
Leong Hou U, Jian Yang, Yi Cai, Kamalakar Karlapalem, An Liu, Xin Huang
2019 J jnl
IEEE Robotics Autom. Lett.
Rahul Tallamraju, Eric Price, Roman Ludwig, Kamalakar Karlapalem, Heinrich H. Bülthoff, Michael J. Black, Aamir Ahmad
2019 J jnl
CoRR
Rahul Tallamraju, Eric Price, Roman Ludwig, Kamalakar Karlapalem, Heinrich H. Bülthoff, Michael J. Black, Aamir Ahmad
2019 B conf
RO-MAN
Rahul Tallamraju, Pulkit Verma, Venkatesh Sripada, Shrey Agrawal, Kamalakar Karlapalem
2019 J jnl
CoRR
Rahul Tallamraju, Pulkit Verma, Venkatesh Sripada, Shrey Agrawal, Kamalakar Karlapalem
2019 conf
Text2Story@ECIR
Aditya Motwani, Aayush Naik, Kamalakar Karlapalem
2019 conf
BIRTE
Vivek Hamirwasia, Kamalakar Karlapalem, Satyanarayana R. Valluri
2019 J jnl
CoRR
Pulkit Verma, Rahul Tallamraju, Abhay Rawat, Subhasis Chand, Kamalakar Karlapalem
2019 conf
CASE
Rahul Tallamraju, Durgesh Haribhau Salunkhe, Sujit Rajappa, Aamir Ahmad, Kamalakar Karlapalem, Suril Vijaykumar Shah
2019 J jnl
CoRR
Rahul Tallamraju, Durgesh Haribhau Salunkhe, Sujit Rajappa, Aamir Ahmad, Kamalakar Karlapalem, Suril Vijaykumar Shah
2019 J jnl
CoRR
Ayush Datta, Rahul Tallamraju, Kamalakar Karlapalem
2019 conf
SummerSim
Ayush Datta, Rahul Tallamraju, Kamalakar Karlapalem
2019 conf
WWW (Companion Volume)
Aman Mehta, Aashay Singhal, Kamalakar Karlapalem
2019 J jnl
CoRR
Yahnit Sirineni, Pulkit Verma, Kamalakar Karlapalem
2019 conf
MRS
Yahnit Sirineni, Pulkit Verma, Kamalakar Karlapalem
2019 conf
MRS
Subhasis Chand, Pulkit Verma, Rahul Tallamraju, Kamalakar Karlapalem
2018 J jnl
CoRR
Veera Raghavendra Chikka, Kamalakar Karlapalem
2018 A conf
AAMAS
Akshat Tandon, Kamalakar Karlapalem
2018 conf
SSRR
Rahul Tallamraju, Sujit Rajappa, Michael J. Black, Kamalakar Karlapalem, Aamir Ahmad
2018 J jnl
CoRR
Rahul Tallamraju, Sujit Rajappa, Michael J. Black, Kamalakar Karlapalem, Aamir Ahmad
2018 conf
COMPSAC (2)
Sravyasri Garapati, Kamalakar Karlapalem
2018 conf
NewsIR@ECIR
Navya Yarrabelly, Kamalakar Karlapalem
2018 A conf
ER
P. Radha Krishna, Kamalakar Karlapalem
2018 A conf
ICWSM
Navya Yarrabelly, Kamalakar Karlapalem
2018 conf
ICDM Workshops
Mihir Shekhar, Lini T. Thomas, Kamalakar Karlapalem
2018 A* conf
IJCAI
Akshat Tandon, Kamalakar Karlapalem
2017 conf
PAKDD (2)
Prathyush Sambaturu, Kamalakar Karlapalem
2017 A conf
ER
P. Radha Krishna, Kamalakar Karlapalem
2017 conf
WWW (Companion Volume)
Yashaswi Pochampally, Kamalakar Karlapalem
2017 conf
VAST
Ayushi Gupta, Veera Raghavendra Chikka, Kamalakar Karlapalem
2016 A conf
ER
Himanshu Jain, P. Radha Krishna, Kamalakar Karlapalem
2016 J jnl
CoRR
Avni Verma, Kamalakar Karlapalem
2016 Misc conf
Visualization and Data Analysis
Pallav Tinna, Kamalakar Karlapalem
2016 J jnl
Inf. Syst.
P. Radha Krishna, Anushree Khandekar, Kamalakar Karlapalem
2016 conf
Wiki@ICWSM
Yashaswi Pochampally, Kamalakar Karlapalem, Navya Yarrabelly
2016 A conf
AAMAS
Garima Agrawal, Kamalakar Karlapalem
2016 J jnl
CoRR
Garima Agrawal, Kamalakar Karlapalem
2015 ed.
ER Workshops
Manfred A. Jeusfeld, Kamalakar Karlapalem
2015 J jnl
CoRR
Garima Ahuja, Kamalakar Karlapalem
2015 J jnl
CoRR
Yash Gupta, Kamalakar Karlapalem
2015 J jnl
CoRR
Deepika Pathania, Kamalakar Karlapalem
2015 conf
ICDM Workshops
Mihir Shekhar, Veera Raghavendra Chikka, Lini T. Thomas, Sunil Mandhan, Kamalakar Karlapalem
2015 conf
CLEF
Veera Raghavendra Chikka, Nestor Mariyasagayam, Yoshiki Niwa, Kamalakar Karlapalem
2015 A conf
AAMAS
Garima Ahuja, Kamalakar Karlapalem
2015 A conf
AAMAS
Deepika Pathania, Kamalakar Karlapalem
2014 conf
AMEC/TADA
Anuj Toshniwal, Kuldeep Porwal, Kamalakar Karlapalem
2014 conf
ICEGOV
Nishtha Madaan, P. Radha Krishna, Kamalakar Karlapalem
2014 J jnl
CoRR
Asrar Ahmed, Kamalakar Karlapalem
2014 ed.
CODS
Balaraman Ravindran, Kamalakar Karlapalem
2014 conf
#MSM
Prapula G., Soujanya Lanka, Kamalakar Karlapalem
2013 J jnl
IEEE Trans. Serv. Comput.
P. Radha Krishna, Kamalakar Karlapalem
2013 conf
OTM Workshops
Pabitra Mohapatra, P. Radha Krishna, Kamalakar Karlapalem
2013 conf
WWW (Companion Volume)
Ruchi Parikh, Kamalakar Karlapalem
2013 A conf
AAMAS
Sindhu Kolli, Kamalakar Karlapalem
2013 A conf
AAMAS
Deepika Pathania, Bharath Vissapragada, Nahil Jain, Apeksha Khare, Soujanya Lanka, Kamalakar Karlapalem
2013 conf
#MSM
Sandhya Sachidanandan, Prathyush Sambaturu, Kamalakar Karlapalem
2013 conf
ICEGOV
Himanshu Jain, P. Radha Krishna, Kamalakar Karlapalem
2011 J jnl
Eng. Appl. Artif. Intell.
Prashant Sethia, Kamalakar Karlapalem
2011 A* conf
IJCAI
Raghudeep Gadde, Kamalakar Karlapalem
2011 Misc conf
COMAD
Kamalakar Karlapalem
2011 A conf
CIKM
Bhanukiran Vinzamuri, Kamalakar Karlapalem
2011 B conf
SSDBM
Shraddha Agrawal, Soujanya Vadapalli, Kamalakar Karlapalem
2011 conf
Interactive Decision Theory and Game Theory
Asrar Ahmed, Kamalakar Karlapalem
2010 B conf
AVI
Kollukuduru Sravanthi, Kamalakar Karlapalem
2010 conf
ICDM Workshops
Hanisha Veeramachaneni, Soujanya Vadapalli, Kamalakar Karlapalem
2010 J jnl
ACM Trans. Knowl. Discov. Data
Lini T. Thomas, Satyanarayana R. Valluri, Kamalakar Karlapalem
2009 conf
IEEE VAST
Soujanya Vadapalli, Kamalakar Karlapalem
2009 conf
KDD Workshop on Visual Analytics and Knowledge Discovery
Soujanya Vadapalli, Kamalakar Karlapalem
2009 Misc ed.
COMOD
Sanjay Chawla, Kamalakar Karlapalem, Vikram Pudi
2009 conf
AAMAS (2)
Harith Siddhartha, Rahul Sarika, Kamalakar Karlapalem
2009 C conf
ADBIS
Krishnamurthy Vidyasankar, P. Radha Krishna, Kamalakar Karlapalem
2009 conf
IEEE VAST
Shraddha Agrawal, Kollukuduru Sravanthi, Soujanya Vadapalli, Kamalakar Karlapalem
2008 Misc conf
COMAD
Ankita Vimal, Satyanarayana R. Valluri, Kamalakar Karlapalem
2008 C conf
RoboCup
Rahul Sarika, Harith Siddhartha, Kamalakar Karlapalem
2008 J jnl
IEEE Internet Comput.
P. Radha Krishna, Kamalakar Karlapalem
2008 Misc conf
COMAD
Phanikumar Bhamidipati, Kamalakar Karlapalem
2008 C conf
MABS
Rohan Monga, Kamalakar Karlapalem
2008 conf
FIDIS
Meghna Lowalekar, Ritesh Kumar Tiwari, Kamalakar Karlapalem
2008 conf
IEEE SCC (2)
Krishnamurthy Vidyasankar, P. Radha Krishna, Kamalakar Karlapalem
2007 conf
ER (Tutorials, Posters, Panels & Industrial Contributions)
Anushree Khandekar, P. Radha Krishna, Kamalakar Karlapalem
2007 conf
OTM Conferences (1)
K. Vidyasankar, P. Radha Krishna, Kamalakar Karlapalem
2007 conf
ER (Tutorials, Posters, Panels & Industrial Contributions)
P. Radha Krishna, Kamalakar Karlapalem
2007 conf
IEEE SCC
Ritesh Kumar Tiwari, Vishal Dwivedi, Kamalakar Karlapalem
2007 A conf
ICWS
Kamalakar Karlapalem, P. Radha Krishna
2007 C conf
MABS
Vidit Bansal, Ramachandra Kota, Kamalakar Karlapalem
2007 A conf
AAMAS
I. V. Aprameya Rao, Manish Jain, Kamalakar Karlapalem
2006 A* conf
ICDM
Soujanya Vadapalli, Satyanarayana R. Valluri, Kamalakar Karlapalem
2006 conf
Active Conceptual Modeling of Learning
P. Radha Krishna, Kamalakar Karlapalem
2006 conf
HICSS
Eleanna Kafeza, Dickson K. W. Chiu, Kamalakar Karlapalem
2006 A* conf
ICDM
Lini T. Thomas, Satyanarayana R. Valluri, Kamalakar Karlapalem
2006 conf
ER (Workshops)
Kamalakar Karlapalem, P. Radha Krishna
2005 C conf
RoboCup
Ravi Sankar Penta, Kamalakar Karlapalem
2005 Misc conf
COMAD
Ashish Lohia, Kirti Sinha, Soujanya Vadapalli, Kamalakar Karlapalem
2005 conf
WEIS
Ritesh Kumar Tiwari, Kamalakar Karlapalem
2005 J jnl
Inf. Technol. Manag.
P. Radha Krishna, Kamalakar Karlapalem, Ajay R. Dani
2005 Misc conf
COMAD
Mukesh K. Mohania, P. Radha Krishna, K. V. N. N. Pavan Kumar, Kamalakar Karlapalem, Millist W. Vincent
2005 Misc conf
COMAD
Vipul Kedia, Vamsidhar Thummala, Kamalakar Karlapalem
2004 J jnl
Data Knowl. Eng.
P. Radha Krishna, Kamalakar Karlapalem, Dickson K. W. Chiu
2004 B conf
COMPSAC
Zhe Shan, Qing Li, Kamalakar Karlapalem
2004 J jnl
CoRR
Satyanarayana R. Valluri, Kamalakar Karlapalem
2004 J jnl
Inf. Technol. Manag.
Dickson K. W. Chiu, Shing-Chi Cheung, Sven Till, Kamalakar Karlapalem, Qing Li, Eleanna Kafeza
2003 conf
ACSW
Patrick C. K. Hung, Kamalakar Karlapalem
2003 J jnl
VLDB J.
Chi-Wai Fung, Kamalakar Karlapalem, Qing Li
2003 J jnl
Informatica (Slovenia)
Chuan Zhang, Jian Yang, Kamalakar Karlapalem
2002 J jnl
IEEE Trans. Knowl. Data Eng.
Chi-Wai Fung, Kamalakar Karlapalem, Qing Li
2002 J jnl
Distributed Parallel Databases
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok, Siu-Kai So
2002 A conf
AAMAS
Praveen Paruchuri, Alok Reddy Pullalarevu, Kamalakar Karlapalem
2002 J jnl
SIGecom Exch.
Pradeep Varakantham, Santosh Kumar Gangwani, Kamalakar Karlapalem
2002 J jnl
Inf. Technol. Manag.
Patrick C. K. Hung, Kamalakar Karlapalem
2002 J jnl
CoRR
Satyanarayana R. Valluri, Soujanya Vadapalli, Kamalakar Karlapalem
2002 Misc conf
Australasian Database Conference
Satyanarayana R. Valluri, Soujanya Vadapalli, Kamalakar Karlapalem
2002 J jnl
Distributed Parallel Databases
Dickson K. W. Chiu, Kamalakar Karlapalem, Qing Li, Eleanna Kafeza
2002 conf
WES
Dickson K. W. Chiu, Shing-Chi Cheung, Kamalakar Karlapalem, Qing Li, Sven Till
2001 A conf
ER
Kamalakar Karlapalem, Ajay R. Dani, P. Radha Krishna
2001 conf
WECWIS
Eleanna Kafeza, Kamalakar Karlapalem
2001 B conf
COMPSAC
Dickson K. W. Chiu, Kamalakar Karlapalem, Qing Li
2001 B conf
DASFAA
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
2001 J jnl
J. Oper. Res. Soc.
Haresh Gurnani, Kamalakar Karlapalem
2001 conf
DS-9
Dickson K. W. Chiu, Kamalakar Karlapalem, Qing Li
2001 J jnl
Inf. Syst.
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
2001 conf
WAIM
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
2001 conf
ER (Workshops)
Rupa Krishnan, Lalitha Munaga, Kamalakar Karlapalem
2000 J jnl
Distributed Parallel Databases
Kamalakar Karlapalem, Qing Li
2000 A conf
CAiSE
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
2000 conf
Advances in Exception Handling Techniques
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
2000 J jnl
Distributed Parallel Databases
Ladjel Bellatreche, Kamalakar Karlapalem, Ana Simonet
2000 conf
TES
Dickson K. W. Chiu, Kamalakar Karlapalem, Qing Li
2000 conf
DMDW
Vivekanand Gopalkrishnan, Qing Li, Kamalakar Karlapalem
2000 conf
IRMA Conference
Vivekanand Gopalkrishnan, Qing Li, Kamalakar Karlapalem
2000 B conf
DaWaK
Ladjel Bellatreche, Kamalakar Karlapalem, Qing Li
2000 C conf
DEXA
Eleanna Kafeza, Kamalakar Karlapalem
2000 A conf
CIKM
Ladjel Bellatreche, Kamalakar Karlapalem, Michel Schneider
2000 C conf
MABS
Eleanna Kafeza, Kamalakar Karlapalem
2000 conf
WECWIS
Eleanna Kafeza, Kamalakar Karlapalem
2000 A conf
CIKM
Qing Li, Chi-Wai Fung, Kamalakar Karlapalem
2000 B conf
WISE
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
2000 C conf
IDEAS
Ladjel Bellatreche, Kamalakar Karlapalem, Mukesh K. Mohania, Michel Schneider
1999 J jnl
Inf. Syst.
Dickson K. W. Chiu, Qing Li, Kamalakar Karlapalem
1999 C conf
DEXA
Mukesh K. Mohania, Kamalakar Karlapalem, Yahiko Kambayashi
1999 J jnl
Int. J. Cooperative Inf. Syst.
Patrick C. K. Hung, Kamalakar Karlapalem, James W. Gray III
1999 J jnl
J. Database Manag.
Joseph Fong, Kamalakar Karlapalem, Qing Li, Irene S. Y. Kwan
1999 conf
DANTE
Ladjel Bellatreche, Kamalakar Karlapalem, Mukesh K. Mohania
1999 conf
ICSC
Patrick C. K. Hung, Kamalakar Karlapalem
1999 J jnl
IEEE Trans. Knowl. Data Eng.
Siu-Kai So, Ishfaq Ahmad, Kamalakar Karlapalem
1999 conf
HICSS
Patrick C. K. Hung, Kamalakar Karlapalem
1999 B conf
DaWaK
Vivekanand Gopalkrishnan, Qing Li, Kamalakar Karlapalem
1999 conf
ICSC
Eleanna Kafeza, Kamalakar Karlapalem
1998 B conf
SRDS
Siu-Kai So, Ishfaq Ahmad, Kamalakar Karlapalem
1998 B conf
CoopIS
Patrick C. K. Hung, Kamalakar Karlapalem, James W. Gray III
1998 B conf
COMPSAC
Siu-Kai So, Ishfaq Ahmad, Kamalakar Karlapalem
1998 A conf
CIKM
Ladjel Bellatreche, Kamalakar Karlapalem, Qing Li
1998 conf
OOIS
Ladjel Bellatreche, Kamalakar Karlapalem, Qing Li
1998 A conf
ER
Ladjel Bellatreche, Kamalakar Karlapalem, Qing Li
1998 B conf
SMC
Vivekanand Gopalkrishnan, Qing Li, Kamalakar Karlapalem
1998 conf
INFORSID
Ladjel Bellatreche, Kamalakar Karlapalem, Ana Simonet
1998 C conf
DEXA
Ladjel Bellatreche, Kamalakar Karlapalem, Gopal K. Basak
1998 A conf
ER
Kamalakar Karlapalem, Qing Li
1998 conf
FODO
Chi-Wai Fung, Kamalakar Karlapalem, Qing Li
1997 A conf
ICDCS
Jian Yang, Kamalakar Karlapalem, Qing Li
1997 J jnl
Int. J. Cooperative Inf. Syst.
Patrick C. K. Hung, Kamalakar Karlapalem
1997 B conf
CoopIS
Patrick C. K. Hung, Kamalakar Karlapalem
1997 A* conf
VLDB
Jian Yang, Kamalakar Karlapalem, Qing Li
1997 B conf
DASFAA
Chi-Wai Fung, Kamalakar Karlapalem, Qing Li
1997 C conf
DEXA
Ladjel Bellatreche, Kamalakar Karlapalem, Ana Simonet
1997 B conf
CoopIS
Dickson K. W. Chiu, Kamalakar Karlapalem, Qing Li
1997 C conf
DEXA
Kamalakar Karlapalem, Ng Moon Pun
1997 conf
RIDE
Jian Yang, Kamalakar Karlapalem, Qing Li
1996 conf
SIGMOD Conference
Patrick C. K. Hung, Helen P. Yeung, Kamalakar Karlapalem
1996 J jnl
IEEE J. Sel. Areas Commun.
Yu-Kwong Kwok, Kamalakar Karlapalem, Ishfaq Ahmad, Ng Moon Pun
1996 A conf
ICDCS
Kamalakar Karlapalem, Qing Li, Stefan Vieweg
1996 J jnl
Inf. Syst.
Kamalakar Karlapalem, Shamkant B. Navathe, Mostafa H. Ammar
1995 B conf
CoopIS
Kamalakar Karlapalem, Helen P. Yeung, Patrick C. K. Hung
1995 J jnl
SIGMOD Rec.
Pamela Drew, Babak Hamidzadeh, Kamalakar Karlapalem, Alex Chia-Yee Kean, Dik Lun Lee, Qing Li, Frederick H. Lochovsky, Chung-Dak Shum, Beat Wüthrich
1995 J jnl
SIGMOD Rec.
Kamalakar Karlapalem, Qing Li, Chung-Dak Shum
1995 conf
RIDE-DOM
Kamalakar Karlapalem, Qing Li
1993 J jnl
Int. J. Cooperative Inf. Syst.
Sharma Chakravarthy, Kamalakar Karlapalem, Shamkant B. Navathe, Asterio K. Tanaka
1992 conf
IWDOM
Kamalakar Karlapalem, Shamkant B. Navathe, Magdi M. A. Morsi
1991 A conf
ER
Asterio K. Tanaka, Shamkant B. Navathe, Sharma Chakravarthy, Kamalakar Karlapalem
1991 C conf
DEXA
Günther Pernul, Kamalakar Karlapalem, Shamkant B. Navathe