2

I would like to use natbib in my document but I am getting some errors as you see in below figure:

enter image description here

here is my bibtext file:

@book{a1,
    author    = {Dennis Shasha and Yunyue Zhu},
    title     = {High Performance Discovery in Time series, Techniques and Case Studies},
    publisher = {Springer},
    year      = {2004},
    note={ISBN: 0387008578}
 }
,
@book {a2,
 author    = {Christopher Chatfield},
    title     = {The Analysis of Time Series: An Introduction},
    publisher = {Chapman\&Hall},
    year      = {2003},
    edition={sixth}, 
    note={ISBN: 1584883170}  
}
,
@book{a3,
    author    = {Dennis Shasha and Yunyue Zhu},
    title     = {High Performance Discovery in Time series, Techniques and Case Studies},

    publisher = {Springer},
    year      = {2004},
    note={ISBN: 0387008578}
 }
,
@incollection{a4,
year={2010},
note={ISBN: 978-0-387-30768-8},
booktitle={Encyclopedia of Machine Learning},
editor={Sammut, Claude and Webb, GeoffreyI.},
doi={10.1007/978-0-387-30164-8_177},
title={Correlation-Based Learning},
url={http://dx.doi.org/10.1007/978-0-387-30164-8_177},
publisher={Springer US},
pages={235},
language={English}
}
,
@article{a6,
AUTHOR    = {Dave Meko}, 
TITLE     = {Autocorelation},
JOURNAL   = {GEOS 585A, Applied Time Series Analysis},
YEAR      = {2013}
}
,
@book{a7,
   author={Bertrand Clarke and Ernest Fokoue and Hao Helen Zhang},
title = {Principles and Theory for Data Mining and Machine Learning},
    publisher = {Springer},
    year = {2008},
    note={ISBN: 9780387981352}

}
,
@book{a8,
title = {Introductory Time Series with R},
author = {Andrew V. Metcalfe and Paul S. P. Cowpertwait },
address = {New York, NY},
publisher = {Springer New York},
year = {2009},
note={ISBN: 9780387886985}
}
,
 @misc{a9,
  title  = {Confidence bands},
  author = {The National Foundation for Educational Research in England and Wales},
  note   = {\url{https://www.nfer.ac.uk/nfer/research/assessment/about/confidence-bands.cfm}}},
  year   = {2010 (accessed November 15, 2013)}
}
,

@misc{a10,
  title  = {Optische Zeitbereichsreflektometrie (OTDR)},
  note   = {\url{http://pi-mon.com/de/technologie/optische-zeitbereichsreflektometrie/}},
  year   = {(accessed November 15, 2013)},
}
    ,
@BOOK{a11,
   TITLE={Time Series Analysis Forcasting and Control},

   AUTHOR={Georg E. P. Box and Gwilym M. Jenkins and Gregory C. Reinsel},
   YEAR={2001},
   PUBLISHER={Wiley},
   note={ISBN: 9780470272848}
}
,
@BOOK{a12,
   TITLE={Time Series Analysis Univariate and Multivariate Methods},
   AUTHOR={William Wei},
   YEAR={1990},
   PUBLISHER={Addison-Wesley Publishing Company},
   note={ISBN: 0201159112}
}
,

@BOOK{a14,
  TITLE={Statistical Graphics for Univariate and Bivariate Data},
   AUTHOR={William G. Jacoby},
   YEAR={1997},
   PUBLISHER={Sage Publication Inc.},
   note={ISBN: 0761908994}
}
,
@BOOK{a15,
   TITLE={Feature Extraktion Construction and Selection a Data Mining Prespective},
   AUTHOR={Huan Liu and Hiroshi Motoda},
   YEAR={1998},
   PUBLISHER={Kluwer Academic},
   note={ISBN: 0792381963}
}
,
@BOOK{a16,
   TITLE={Data Mining: Verfahren, Prozesse, Anwendungsarchitektur},
   AUTHOR={Helge Petersohn},
   YEAR={2005},
   PUBLISHER={Oldenbourg},
   note={ISBN: 9783486577150}
}
,
@BOOK{a18,
   TITLE={Machinelles Lernen},
   AUTHOR={Ethem Alpaydin},
   YEAR={2004},
   PUBLISHER={Oldenbourg},
   note={ISBN: 9783486581140}
}
@BOOK{s1,
   TITLE={Spectral Analysis and Time Series},
   CHAPTER={Basic concepts},
   AUTHOR={Maurice B. Priestley},
   YEAR={2001},
   PUBLISHER={Academic press},
   note={ISBN: 0125649223}
}
,
@misc{s5,
  title  = {Lesson 6: The Periodogram},
  note   = {\url {https://onlinecourses.science.psu.edu/stat510/?q=book/export/html/52}},
  year   = {(accessed Januar 12, 2014)}
}
,
@misc{s6,
  title  = {Understanding the Periodogram and Spectral Density},
  note   = {\url {http://www-01.ibm.com/support/knowledgecenter/SSLVMB_20.0.0/com.ibm.spss.statistics.cs/spectral_cat_output.htm?lang=en}},
  year   = {(accessed Januar 14, 2014)}
}
,
@article{s7,
AUTHOR    = {Ta-Hsin Li}, 
TITLE     = {A robust periodogram for high-resolution spectral analysis},
JOURNAL   = {Signal Processing},
PAGES={2133-2140},
Volume={90},
YEAR      = {2010},
note={ISSN: "0165-1684"}
}
,

@misc{s8,
  title  = {Lexikon der Physik},
  note   = {\url {http://www.spektrum.de/lexikon/physik/spektraldichte/13537}},
  year   = {(accessed August 20, 2014)}
}
,
@BOOK{s9,
   TITLE={Statistical Visions in Time: A History of Time Series Analysis, 1662-1938},
   CHAPTER={Decompostition and Functions of Time},
   AUTHOR={Judy L. Klein},
   YEAR={1997},
   PUBLISHER={Cambridge University Press},
   note={ISBN: 0521420466}
}
,
@INBOOK{k1,
   TITLE={Data Mining Techniques and Tools for Knowledge Discovery in Agricultural Datasets},
   AUTHOR={Ms. Anshu Bhardwaj},
   PAGES={139-144},
   YEAR={2001},
   PUBLISHER={Indian Agricultural Statistics Research Institute},
   ADDRESS={Library Avenue, New Delhi}
}
,
@book {k2,
author={Igor Kononenko and Matjazkukar.},
title     = {Machine Learning and Data Mining, introduction to principles and algorithms},
 publisher = {Horwood Publishing Chichester, UK},
    year      = {2007},
  note={ISBN: 1904275214}
}  
,

@book {k3,
    author    = {J. P. Marques de Sá},
    title     = {Pattern recognition ; concepts, methods and applications},
    publisher = {Springer},
    year      = {2001},
    note={ISBN: 3540422978}   
}
,

@BOOK {k4,
    author    = {Thuraisingham, Bhavani M.},
    title     = {Data mining ; technologies, techniques, tools, and trends},
    publisher = {CRC Press LLC},
    year      = {1999},
    note={ISBN: 0849318157}  
}
,
@misc{k6,
  title  = {"Welcome to the SAX (Symbolic Aggregate approXimation) Homepage!"},
  author = {E. Keogh},
  note   = {\url{http://www.cs.ucr.edu/~eamonn/SAX.htm}},
  year   = {2007 (accessed Januar 27, 2017)},
}
,

@incollection {k7,    
   author = {Pavel V. Senin},    
   affiliation = {Collaborative Software Development Lab
Department of Information and Computer Sciences
University of Hawaii
Honolulu, HI},    
   title = {Literature Review on Time Series Indexing},        
   pages = {23-25},    
   url = {http://www2.hawaii.edu/~senin/assets/papers/senin-trajectory-litreview.pdf},        
   year = {2009}    
}
,
@misc{k8,
  title  = {"Do Splitting Rules Really Matter?"},
   author = {Salford systems},
  note   = {\url{https://www.salford-systems.com/resources/whitepapers/114-do-splitting-rules-really-matter}},
  year   = { (accessed Januar 27, 2017)},
}
,
@misc{k9,
  title  = {"Categorical variables : Solving the overfitting problem in decision trees."},
   author = {zyxo},
  note   = {\url{http://zyxo.wordpress.com/2010/04/07/categorical-variables-solving-the-overfitting-problem-in-decision-trees/}},
  year   = { 2010 (accessed Februar 07, 2014)}
}
,

@article{k10,
AUTHOR    = {Roger J. Lewis}, 
TITLE     = {An Introduction to Classification and Regression Tree (CART) Analysis},
JOURNAL   = { Annual Meeting of the Society for Academic Emergency Medicine},
YEAR      = {2000}
}
,
@BOOK {k11,
 author={Mehmed Kantardzic},
 title     = {Data Mining},
 publisher = {Wiley-IEEE Press},
 year      = {2011},
 note={ISBN: 9781283239745}
} 
,

@BOOK {k12,
    author= {Theophano Mitsa},
    title     = {Temporal Data Mining},
    publisher = {CRC Press},
    year    = {2010},
    note={ISBN: 1420089765}
} 
,

@conference{k17,
    author    = {Nguyen Quoc Viet Hung and Duong Tuan Anh},
    title     = {Combining SAX and Piecewise Linear Approximation to Improve Similarity Search on Financial Time Series},
    booktitle = {International Symposium on Information Technology Convergence},
    year      = {2007}
}
,

@article{k18,
    author    = {Jessica Lin Eamonn Keogh Stefano Lonardi Bill Chiu},
    title     = {A Symbolic Representation of Time Series, with Implications for
Streaming Algorithms}
}
,
@Book{k19,
author = {Geoff Dougherty},
title = {Pattern Recognition and Classification},
publisher = {Springer},
year = {2013},
note={ISBN: 9781461453239}
}
,
@article{k20,
AUTHOR    = {Pavel Senin and Sergey Malinchik}, 
TITLE     = {SAX-VSM: Interpretable Time Series Classification Using SAX and Vector Space Model}
}
,
@article{k21,
AUTHOR    = {Jessica Lin and Rohan Khade and Yuan Li}, 
TITLE     = {Rotation-invariant similarity in time series using bag-of-patterns representation},
JOURNAL   = {Journal of Intelligent Information Systems},
YEAR      = {2012},
VOLUME= {39},
ISSUE = {2},
PAGES= {287-315}
}
,
@incollection{k25,
       author={Hiroaki Sakoe and Seibi Chiba},
       year={1978},
       title={Dynamic Programming Algorithm Optimization for 
Spoken Word Recognition},
       booktitle={IEEE TRANSACTIONS ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING},
       note={ISSN: 0096-3518}
     }
,
@misc{k26,
  title  = {DTW algorithm},
  note   = {\url{http://www.psb.ugent.be/cbd/papers/gentxwarper/DTWalgorithm.htm}},
  year   = { 2010 (accessed Februar 27, 2014)}
}
,
@article{k27,
AUTHOR    = {Kaushik Chakrabarti and Eemonn Keogh}, 
TITLE     = {Locally Adaptive Dimensionality Reduction for Indexing Large Time Series Databases}
}
,
@BOOK{k28,
   TITLE={Data Mining and Knowledge Discovery Handbook},
   AUTHOR={Chotirat Ann Ralanamahatana and Jessica Lin and Dimitrios Gunopulos and Eamonn Keogh, Michail Vlachos and Gautam Das},
   YEAR={2005},
   PUBLISHER={Springer US},
   note={ISBN: 9780387244358}
}
,
@book {k29,
 author    = {Huan Liu Hiroshi motoda},
    title     = {Feature Extraction construction and selection a data Mining prespective},
    publisher = {Kluwer Academic Publishers},
    year      = {1998},
    note={ISBN: 0792381963}  
}
,
@incollection{k30,
       author={Ramakrishna Murty and J.V.R Murthy and Prasad Reddy P.V.G.D},
       year={2011},
       title={Text Document Classification based-on Least
Square Support Vector Machines with Singular
Value Decomposition},
       booktitle={International Journal of Computer Applications (0975 – 8887)},
       VOLUME={27}
     }
,

@incollection{k31,
       author={ Sotiris B. Kotsiantis},
       year={Nummer3 2007},
       title={Supervised Machine Learning: A Review of Classification
Techniques},
       booktitle={Informatica (Slovenia)},
       PAGES={249-268},
       VOLUME={31}
     }
,
@book {k32,
 author    = {Mehmed Kantardizic},
    title     = {Data Mining Concepts, Models, Methods, and Algorithms},
    publisher = {Wily},
    year      = {2011},
    note={ISBN: 9781118029145}  
}
,
@book {k33,
 author    = {Michael W. Berry and Murray Browne},
    title     = {Lecture Notes in Data Mining},
    publisher = {World Scientific Publishing Co. Pte. Ltd.},
    year      = {2006},
    note={ISBN: 9812568026}  
}
,
@BOOK {kz2,
    author= {Theophano Mitsa},
    title     = {Temporal Data Mining},
    publisher = {CRC Press},
    year    = {2010},
    note={ISBN: 1420089765}
} 
,
@Book{kz5,
author = {Richard O. Duda and Peter E. Hart and David G. Strok},
title = {Pattern Classification},
publisher = {A Wiley-Interscience Publication},
year = {2001},
note={ISBN: 0471056693}
}

How can I solve this problem?

  • Have you removed cite from the list of packages that are loaded in the preamble? If you use natbib, you shouldn't load cite as well. – Mico Jan 10 '15 at 15:24
  • I have tried it again withot ´cite´, but errors still remain – Kaja Jan 10 '15 at 15:30
  • You have a plenty of errors in the bib file. Hard to tell where to begin. Which bibliography style do you employ? (If you're using plainnat, at least the DOI-related error would go away on its own.) – Mico Jan 10 '15 at 15:40
  • Thank you, I have found the solution here: tex.stackexchange.com/questions/71215/missing-inserted-issue – Kaja Jan 10 '15 at 16:01
  • 1
    I'm glad you've found a fix for the underscore character in one of the DOI fields. Do please also fix the slew of other, content-related errors. Among them are missing and particles between authors, e.g., Huan Liu Hiroshi motoda and Jessica Lin Eamonn Keogh Stefano Lonardi Bill Chiu; extraneous information, e.g., "Ms." in Ms. Anshu Bhardwaj; missing pairs of curly braces around "corporate" authors, e.g., Salford Systems; non-ASCII characters, e.g., á in J. P. Marques de Sá; repeat entries (e.g., keys k12 and kz2). And, please get rid of the pointless commas between entries. – Mico Jan 10 '15 at 16:25
5

To solve your problem, you can simply load the package doi

\usepackage{doi} 

so you'll be able to use underscores _ in your doi and url fields. Also, your fields will have links.

At these point, since your dois have already a link, you can eliminate urls from those entries.

MWE:

\documentclass{article}

\usepackage{filecontents}
\begin{filecontents*}{\jobname.bib}
@book{a1,
    author    = {Dennis Shasha and Yunyue Zhu},
    title     = {High Performance Discovery in Time series, Techniques and Case Studies},
    publisher = {Springer},
    year      = {2004},
    note={ISBN: 0387008578}
 }
,
@book {a2,
 author    = {Christopher Chatfield},
    title     = {The Analysis of Time Series: An Introduction},
    publisher = {Chapman\&Hall},
    year      = {2003},
    edition={sixth},
    note={ISBN: 1584883170}
}
,
@book{a3,
    author    = {Dennis Shasha and Yunyue Zhu},
    title     = {High Performance Discovery in Time series, Techniques and Case Studies},

    publisher = {Springer},
    year      = {2004},
    note={ISBN: 0387008578}
 }
,
@incollection{a4,
year={2010},
note={ISBN: 978-0-387-30768-8},
booktitle={Encyclopedia of Machine Learning},
editor={Sammut, Claude and Webb, GeoffreyI.},
doi={10.1007/978-0-387-30164-8_177},
title={Correlation-Based Learning},
publisher={Springer US},
pages={235},
language={English}
}
,
@article{a6,
AUTHOR    = {Dave Meko},
TITLE     = {Autocorelation},
JOURNAL   = {GEOS 585A, Applied Time Series Analysis},
YEAR      = {2013}
}
,
@book{a7,
   author={Bertrand Clarke and Ernest Fokoue and Hao Helen Zhang},
title = {Principles and Theory for Data Mining and Machine Learning},
    publisher = {Springer},
    year = {2008},
    note={ISBN: 9780387981352}

}
,
@book{a8,
title = {Introductory Time Series with R},
author = {Andrew V. Metcalfe and Paul S. P. Cowpertwait },
address = {New York, NY},
publisher = {Springer New York},
year = {2009},
note={ISBN: 9780387886985}
}
,
 @misc{a9,
  title  = {Confidence bands},
  author = {The National Foundation for Educational Research in England and Wales},
  note   = {\url{https://www.nfer.ac.uk/nfer/research/assessment/about/confidence-bands.cfm}}},
  year   = {2010 (accessed November 15, 2013)}
}
,

@misc{a10,
  title  = {Optische Zeitbereichsreflektometrie (OTDR)},
  note   = {\url{http://pi-mon.com/de/technologie/optische-zeitbereichsreflektometrie/}},
  year   = {(accessed November 15, 2013)},
}
    ,
@BOOK{a11,
   TITLE={Time Series Analysis Forcasting and Control},

   AUTHOR={Georg E. P. Box and Gwilym M. Jenkins and Gregory C. Reinsel},
   YEAR={2001},
   PUBLISHER={Wiley},
   note={ISBN: 9780470272848}
}
,
@BOOK{a12,
   TITLE={Time Series Analysis Univariate and Multivariate Methods},
   AUTHOR={William Wei},
   YEAR={1990},
   PUBLISHER={Addison-Wesley Publishing Company},
   note={ISBN: 0201159112}
}
,

@BOOK{a14,
  TITLE={Statistical Graphics for Univariate and Bivariate Data},
   AUTHOR={William G. Jacoby},
   YEAR={1997},
   PUBLISHER={Sage Publication Inc.},
   note={ISBN: 0761908994}
}
,
@BOOK{a15,
   TITLE={Feature Extraktion Construction and Selection a Data Mining Prespective},
   AUTHOR={Huan Liu and Hiroshi Motoda},
   YEAR={1998},
   PUBLISHER={Kluwer Academic},
   note={ISBN: 0792381963}
}
,
@BOOK{a16,
   TITLE={Data Mining: Verfahren, Prozesse, Anwendungsarchitektur},
   AUTHOR={Helge Petersohn},
   YEAR={2005},
   PUBLISHER={Oldenbourg},
   note={ISBN: 9783486577150}
}
,
@BOOK{a18,
   TITLE={Machinelles Lernen},
   AUTHOR={Ethem Alpaydin},
   YEAR={2004},
   PUBLISHER={Oldenbourg},
   note={ISBN: 9783486581140}
}
@BOOK{s1,
   TITLE={Spectral Analysis and Time Series},
   CHAPTER={Basic concepts},
   AUTHOR={Maurice B. Priestley},
   YEAR={2001},
   PUBLISHER={Academic press},
   note={ISBN: 0125649223}
}
,
@misc{s5,
  title  = {Lesson 6: The Periodogram},
  note   = {\url {https://onlinecourses.science.psu.edu/stat510/?q=book/export/html/52}},
  year   = {(accessed Januar 12, 2014)}
}
,
@misc{s6,
  title  = {Understanding the Periodogram and Spectral Density},
  note   = {\url {http://www-01.ibm.com/support/knowledgecenter/SSLVMB_20.0.0/com.ibm.spss.statistics.cs/spectral_cat_output.htm?lang=en}},
  year   = {(accessed Januar 14, 2014)}
}
,
@article{s7,
AUTHOR    = {Ta-Hsin Li},
TITLE     = {A robust periodogram for high-resolution spectral analysis},
JOURNAL   = {Signal Processing},
PAGES={2133-2140},
Volume={90},
YEAR      = {2010},
note={ISSN: "0165-1684"}
}
,

@misc{s8,
  title  = {Lexikon der Physik},
  note   = {\url {http://www.spektrum.de/lexikon/physik/spektraldichte/13537}},
  year   = {(accessed August 20, 2014)}
}
,
@BOOK{s9,
   TITLE={Statistical Visions in Time: A History of Time Series Analysis, 1662-1938},
   CHAPTER={Decompostition and Functions of Time},
   AUTHOR={Judy L. Klein},
   YEAR={1997},
   PUBLISHER={Cambridge University Press},
   note={ISBN: 0521420466}
}
,
@INBOOK{k1,
   TITLE={Data Mining Techniques and Tools for Knowledge Discovery in Agricultural Datasets},
   AUTHOR={Ms. Anshu Bhardwaj},
   PAGES={139-144},
   YEAR={2001},
   PUBLISHER={Indian Agricultural Statistics Research Institute},
   ADDRESS={Library Avenue, New Delhi}
}
,
@book {k2,
author={Igor Kononenko and Matjazkukar.},
title     = {Machine Learning and Data Mining, introduction to principles and algorithms},
 publisher = {Horwood Publishing Chichester, UK},
    year      = {2007},
  note={ISBN: 1904275214}
}
,

@book {k3,
    author    = {J. P. Marques de Sá},
    title     = {Pattern recognition ; concepts, methods and applications},
    publisher = {Springer},
    year      = {2001},
    note={ISBN: 3540422978}
}
,

@BOOK {k4,
    author    = {Thuraisingham, Bhavani M.},
    title     = {Data mining ; technologies, techniques, tools, and trends},
    publisher = {CRC Press LLC},
    year      = {1999},
    note={ISBN: 0849318157}
}
,
@misc{k6,
  title  = {"Welcome to the SAX (Symbolic Aggregate approXimation) Homepage!"},
  author = {E. Keogh},
  note   = {\url{http://www.cs.ucr.edu/~eamonn/SAX.htm}},
  year   = {2007 (accessed Januar 27, 2017)},
}
,

@incollection {k7,
   author = {Pavel V. Senin},
   affiliation = {Collaborative Software Development Lab
Department of Information and Computer Sciences
University of Hawaii
Honolulu, HI},
   title = {Literature Review on Time Series Indexing},
   pages = {23-25},
   url = {http://www2.hawaii.edu/~senin/assets/papers/senin-trajectory-litreview.pdf},
   year = {2009}
}
,
@misc{k8,
  title  = {"Do Splitting Rules Really Matter?"},
   author = {Salford systems},
  note   = {\url{https://www.salford-systems.com/resources/whitepapers/114-do-splitting-rules-really-matter}},
  year   = { (accessed Januar 27, 2017)},
}
,
@misc{k9,
  title  = {"Categorical variables : Solving the overfitting problem in decision trees."},
   author = {zyxo},
  note   = {\url{http://zyxo.wordpress.com/2010/04/07/categorical-variables-solving-the-overfitting-problem-in-decision-trees/}},
  year   = { 2010 (accessed Februar 07, 2014)}
}
,

@article{k10,
AUTHOR    = {Roger J. Lewis},
TITLE     = {An Introduction to Classification and Regression Tree (CART) Analysis},
JOURNAL   = { Annual Meeting of the Society for Academic Emergency Medicine},
YEAR      = {2000}
}
,
@BOOK {k11,
 author={Mehmed Kantardzic},
 title     = {Data Mining},
 publisher = {Wiley-IEEE Press},
 year      = {2011},
 note={ISBN: 9781283239745}
}
,

@BOOK {k12,
    author= {Theophano Mitsa},
    title     = {Temporal Data Mining},
    publisher = {CRC Press},
    year    = {2010},
    note={ISBN: 1420089765}
}
,

@conference{k17,
    author    = {Nguyen Quoc Viet Hung and Duong Tuan Anh},
    title     = {Combining SAX and Piecewise Linear Approximation to Improve Similarity Search on Financial Time Series},
    booktitle = {International Symposium on Information Technology Convergence},
    year      = {2007}
}
,

@article{k18,
    author    = {Jessica Lin Eamonn Keogh Stefano Lonardi Bill Chiu},
    title     = {A Symbolic Representation of Time Series, with Implications for
Streaming Algorithms}
}
,
@Book{k19,
author = {Geoff Dougherty},
title = {Pattern Recognition and Classification},
publisher = {Springer},
year = {2013},
note={ISBN: 9781461453239}
}
,
@article{k20,
AUTHOR    = {Pavel Senin and Sergey Malinchik},
TITLE     = {SAX-VSM: Interpretable Time Series Classification Using SAX and Vector Space Model}
}
,
@article{k21,
AUTHOR    = {Jessica Lin and Rohan Khade and Yuan Li},
TITLE     = {Rotation-invariant similarity in time series using bag-of-patterns representation},
JOURNAL   = {Journal of Intelligent Information Systems},
YEAR      = {2012},
VOLUME= {39},
ISSUE = {2},
PAGES= {287-315}
}
,
@incollection{k25,
       author={Hiroaki Sakoe and Seibi Chiba},
       year={1978},
       title={Dynamic Programming Algorithm Optimization for
Spoken Word Recognition},
       booktitle={IEEE TRANSACTIONS ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING},
       note={ISSN: 0096-3518}
     }
,
@misc{k26,
  title  = {DTW algorithm},
  note   = {\url{http://www.psb.ugent.be/cbd/papers/gentxwarper/DTWalgorithm.htm}},
  year   = { 2010 (accessed Februar 27, 2014)}
}
,
@article{k27,
AUTHOR    = {Kaushik Chakrabarti and Eemonn Keogh},
TITLE     = {Locally Adaptive Dimensionality Reduction for Indexing Large Time Series Databases}
}
,
@BOOK{k28,
   TITLE={Data Mining and Knowledge Discovery Handbook},
   AUTHOR={Chotirat Ann Ralanamahatana and Jessica Lin and Dimitrios Gunopulos and Eamonn Keogh, Michail Vlachos and Gautam Das},
   YEAR={2005},
   PUBLISHER={Springer US},
   note={ISBN: 9780387244358}
}
,
@book {k29,
 author    = {Huan Liu Hiroshi motoda},
    title     = {Feature Extraction construction and selection a data Mining prespective},
    publisher = {Kluwer Academic Publishers},
    year      = {1998},
    note={ISBN: 0792381963}
}
,
@incollection{k30,
       author={Ramakrishna Murty and J.V.R Murthy and Prasad Reddy P.V.G.D},
       year={2011},
       title={Text Document Classification based-on Least
Square Support Vector Machines with Singular
Value Decomposition},
       booktitle={International Journal of Computer Applications (0975 – 8887)},
       VOLUME={27}
     }
,

@incollection{k31,
       author={ Sotiris B. Kotsiantis},
       year={Nummer3 2007},
       title={Supervised Machine Learning: A Review of Classification
Techniques},
       booktitle={Informatica (Slovenia)},
       PAGES={249-268},
       VOLUME={31}
     }
,
@book {k32,
 author    = {Mehmed Kantardizic},
    title     = {Data Mining Concepts, Models, Methods, and Algorithms},
    publisher = {Wily},
    year      = {2011},
    note={ISBN: 9781118029145}
}
,
@book {k33,
 author    = {Michael W. Berry and Murray Browne},
    title     = {Lecture Notes in Data Mining},
    publisher = {World Scientific Publishing Co. Pte. Ltd.},
    year      = {2006},
    note={ISBN: 9812568026}
}
,
@BOOK {kz2,
    author= {Theophano Mitsa},
    title     = {Temporal Data Mining},
    publisher = {CRC Press},
    year    = {2010},
    note={ISBN: 1420089765}
}
,
@Book{kz5,
author = {Richard O. Duda and Peter E. Hart and David G. Strok},
title = {Pattern Classification},
publisher = {A Wiley-Interscience Publication},
year = {2001},
note={ISBN: 0471056693}
}
\end{filecontents*}

\usepackage{doi} 

\usepackage[round, sort, numbers]{natbib}


\begin{document}

\nocite{*}
\bibliographystyle{plainnat}
\bibliography{\jobname}

\end{document} 

enter image description here

  • +1 :-) By the way, if the plainnat (or unsrtnat) bibliography style is used (as is the case in your example), the contents of doi fields are automatically treated in a special way. Loading the doi package won't do any harm, of course. – Mico Jan 10 '15 at 17:24
  • @Mico Loading doi you are allowed to use _ in dois (and urls). – karlkoeller Jan 10 '15 at 17:30
  • My bad. I failed to mention that for plainnat and unsrtnat to handle doi fields that contain _ characters properly, either the url or the hyperref package has be to be loaded as well (unless, of course, the doi package is loaded). Given the multitude of URLs in the OP's bib file, it's hopefully not a stretch to assume that one or the other package (or even both) are loaded by the OP. – Mico Jan 10 '15 at 17:38
  • uri is better than doi. – user11232 Feb 2 '15 at 0:20

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