Hi Pete,
Thank you for your email.
Just confirming -
$ pwd
/opt/xerces311/local/lib
$ ll
total 91964
-rwxr-xr-x. 1 e58839 isunix 22188470 Apr 10 13:19 libxerces-c-3.1.so
-rw-r--r--. 1 e58839 isunix 71970260 Apr 10 13:19 libxerces-c.a
-rwxr-xr-x. 1 e58839 isunix 1019 Apr 10 13:19 libxerces-c.la
lrwxrwxrwx. 1 e58839 isunix 18 Apr 10 13:19 libxerces-c.so ->
libxerces-c-3.1.so
drwxr-xr-x. 2 e58839 isunix 4096 Apr 10 13:19 pkgconfig
and (from my last run of spdlib) -
$ pwd
/opt/spdlib/src/spdlib_hg
$ grep -i xerces *
CMakeCache.txt://Include PATH for Xerces-c
CMakeCache.txt:XERCESC_INCLUDE_DIR:PATH=/opt/xerces311/local/include
CMakeCache.txt://Library PATH for Xerces-c
CMakeCache.txt:XERCESC_LIB_PATH:PATH=/opt/xerces311/local/lib
CMakeCache.txt:spd_LIB_DEPENDS:STATIC=general;spdio;general;/usr/lib64/libgdal.so;general;-L/usr/lib64;general;-lhdf5;general;-lhdf5_hl;general;-lhdf5_cpp;general;-L/opt/libLAS/local/lib;general;-llas;general;-llas_c;general;-L/usr/lib64;general;-lgsl;general;-lgslcblas;general;-L/opt/cgal/local/lib;general;-lCGAL;general;-L/opt/xerces311/local/lib;general;-lxerces-c;general;-L/usr/lib64;general;-lgmp;general;-L/usr/lib64;general;-lmpfr;
CMakeLists.txt:set(XERCESC_INCLUDE_DIR /usr/local/include CACHE PATH
"Include PATH for Xerces-c")
CMakeLists.txt:set(XERCESC_LIB_PATH /usr/local/lib CACHE PATH "Library PATH
for Xerces-c")
CMakeLists.txt:include_directories(${XERCESC_INCLUDE_DIR})
CMakeLists.txt:set(XERCESC_LIBRARIES -L${XERCESC_LIB_PATH} -lxerces-c)
Regards,
Peter.
On 12 April 2013 20:09, Peter Bunting <[email protected]> wrote:
> Hi Peter,
>
> Can you confirm the contents of the /opt/xerces311/local/lib directory?
> Run, ls -l /opt/xerces311/local/lib
>
> The error you are getting is stating that it can't find the binary
> interfaces to the functions used within the code, i.e., it can't find the
> library file. You should have a file named libxerces-c.so on your system
> within the /opt/xerces311/local/lib directory, which links to the
> libxerces-c-3.1.so file. If not you need to update the path to where
> these do exist or reinstall xerces-c. I think the library requires 3.1 if I
> remember correctly.
>
> Let me know if you still have problems.
>
> Best wishes,
>
> Pete
>
> ****************************************************
> * Dr Pete Bunting
> * Senior Lecturer in Remote Sensing
> * Institute of Geography and Earth Sciences
> * Aberystwyth University
> * Aberystwyth
> * Ceredigion
> * SY23 3DB
> * UK
> *
> * Ph: +44 (0) 1970 622615
> * Mob: +44 (0) 7917 842743
> * NZ Ph: +64 (0) 4 280 7430
> * Email: [email protected]
> ****************************************************
>
> On 11 Apr 2013, at 15:38, Peter Wolynec <[email protected]> wrote:
>
>
> Hi Pete,
>
> Thank you for your reply.
> And apologies for the length of my emails.
>
> I deleted our copy of spdlib and downloaded again.
>
> I noticed that you declare GDAL - so I have declared that too
> in today's run.
>
> I have included below in Appendix A my instructions,
> and, in Appendix B, the last portion of the make.
>
> I am using -
>
> gcc-c++-4.4.6-4.el6.x86_64
> gcc-gfortran-4.4.6-4.el6.x86_64
> gcc-4.4.6-4.el6.x86_64
> libgcc-4.4.6-4.el6.x86_64
>
> I must confess that I have installed
>
> gdal-1.7.3-15.el6.x86_64
> gdal-devel-1.7.3-15.el6.x86_64
> gdal-java-1.7.3-15.el6.x86_64
> gdal-python-1.7.3-15.el6.x86_64
> xerces-c-3.0.1-0.20.1.el6.x86_64
> xerces-c-devel-3.0.1-0.20.1.el6.x86_64
>
> via yum - even though at -
>
> http://www.spdlib.org/doku.php?id=spdlib:general:installation:installation
>
> it states -
>
> Pitfalls
> When compiling libLAS with geotiff support be sure that GDAL and libLAS
> use the same geotiff library installation. By default GDAL using an
> internal build and if this is different to the version libLAS uses then a
> runtime linking error can be caused. The easiest and best solution is to
> install libgeotiff independently and then link both libLAS and GDAL (using
> –with-geotiff=$GEOTIFF_ROOT) to this installed version.
>
> I have another xerces-c version (3.1.1) in /opt - could there be confusion
> between the two xerces-c?
> With the older xerces-c the make for spdlib stopped earlier.
>
> Tomorrow, I will remove all the gdal and xerces-c packages and re-install
> from source gdal, liBLAS and spdlib.
>
> Unless you can think of something else?
>
> Regards,
> Peter.
>
> ---
> Appendix A
>
> hg clone https://bitbucket.org/petebunting/spdlib .
>
> cmake -D CMAKE_INSTALL_PREFIX=/opt/spdlib/local/hg \
> -D HDF5_INCLUDE_DIR=/usr/include \
> -D HDF5_LIB_PATH=/usr/lib64 \
> -D GSL_INCLUDE_DIR=/usr/include \
> -D GSL_LIB_PATH=/usr/lib64 \
> -D MPFR_INCLUDE_DIR=/usr/include \
> -D MPFR_LIB_PATH=/usr/lib64 \
> -D GMP_INCLUDE_DIR=/usr/include \
> -D GMP_LIB_PATH=/usr/lib64 \
> -D GDAL_INCLUDE_DIR=/usr/include/gdal \
> -D GDAL_LIB_DIR=/usr/lib64 \
> -D LIBLAS_INCLUDE_DIR=/opt/libLAS/local/include \
> -D LIBLAS_LIB_PATH=/opt/libLAS/local/lib \
> -D CGAL_INCLUDE_DIR=/opt/cgal/local/include \
> -D CGAL_LIB_PATH=/opt/cgal/local/lib \
> -D XERCESC_INCLUDE_DIR=/opt/xerces311/local/include \
> -D XERCESC_LIB_PATH=/opt/xerces311/local/lib \
> -D CMAKE_VERBOSE_MAKEFILE=ON \
> CMakeLists.txt
>
> echo $? # was 0
>
> make
>
> ---
> Appendix B
>
> <snip>
> [ 71%] Building CXX object
> CMakeFiles/spdclearclass.dir/src/exe/spdclearclass/main.cpp.o
> /usr/bin/c++ -fPIC -Wall -Wpointer-arith -Wcast-align -Wcast-qual
> -Wredundant-decls -Wno-long-long -DNDEBUG -std=c++98 -O3 -DNDEBUG
> -I/usr/include/gdal -I/opt/libLAS/local/include -I/opt/cgal/local/include
> -I/opt/xerces311/local/include -I/opt/spdlib/src/spdlib_hg/include -o
> CMakeFiles/spdclearclass.dir/src/exe/spdclearclass/main.cpp.o -c
> /opt/spdlib/src/spdlib_hg/src/exe/spdclearclass/main.cpp
> In file included from /usr/include/gdal/ogr_feature.h:34,
> from /usr/include/gdal/ogrsf_frmts.h:33,
> from
> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessDataBlocks.h:33,
> from
> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessPulses.h:37,
> from
> /opt/spdlib/src/spdlib_hg/include/spd/SPDCopyRemovingClassificationProcessor.h:38,
> from
> /opt/spdlib/src/spdlib_hg/src/exe/spdclearclass/main.cpp:31:
> /usr/include/gdal/ogr_featurestyle.h: In member function ‘const char*
> OGRStylePen::Pattern(GBool&)’:
> /usr/include/gdal/ogr_featurestyle.h:263: warning: cast from type ‘const
> char*’ to type ‘char*’ casts away constness
> In file included from
> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessDataBlocks.h:34,
> from
> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessPulses.h:37,
> from
> /opt/spdlib/src/spdlib_hg/include/spd/SPDCopyRemovingClassificationProcessor.h:38,
> from
> /opt/spdlib/src/spdlib_hg/src/exe/spdclearclass/main.cpp:31:
> /usr/include/gdal/ogr_api.h: At global scope:
> /usr/include/gdal/ogr_api.h:393: warning: redundant redeclaration of ‘void
> OGRRegisterAll()’ in same scope
> /usr/include/gdal/ogrsf_frmts.h:305: warning: previous declaration of
> ‘void OGRRegisterAll()’
> Linking CXX executable spdclearclass
> /usr/bin/cmake -E cmake_link_script CMakeFiles/spdclearclass.dir/link.txt
> --verbose=1
> /usr/bin/c++ -fPIC -Wall -Wpointer-arith -Wcast-align -Wcast-qual
> -Wredundant-decls -Wno-long-long -DNDEBUG -std=c++98 -O3 -DNDEBUG -fPIC
> CMakeFiles/spdclearclass.dir/src/exe/spdclearclass/main.cpp.o -o
> spdclearclass -rdynamic src/libspdio.so.3.0.0 src/libspd.so.3.0.0
> src/libspdio.so.3.0.0 -lgdal -L/usr/lib64 -lhdf5 -lhdf5_hl -lhdf5_cpp
> -L/opt/libLAS/local/lib -llas -llas_c -lgsl -lgslcblas
> -L/opt/cgal/local/lib -lCGAL -L/opt/xerces311/local/lib -lxerces-c -lgmp
> -lmpfr -Wl,-rpath,/opt/spdlib/src/spdlib_hg/src
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLAttDefList::serialize(xercesc_3_1::XSerializeEngine&)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::DTDEntityDecl::isSerializable() const'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::SAXParseException::~SAXParseException()'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::DOMImplementationRegistry::getDOMImplementation(unsigned
> short const*)'
> src/libspd.so.3.0.0: undefined reference to `typeinfo for
> xercesc_3_1::SAXParseException'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMemory::operator delete(void*)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::DTDEntityDecl::getProtoType() const'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLUni::fgDOMErrorHandler'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLString::release(char**, xercesc_3_1::MemoryManager*)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLAttDefList::isSerializable() const'
> src/libspd.so.3.0.0: undefined reference to `typeinfo for
> xercesc_3_1::XMLException'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLPlatformUtils::Initialize(char const*, char const*,
> xercesc_3_1::PanicHandler*, xercesc_3_1::MemoryManager*)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLPlatformUtils::fgMemoryManager'
> src/libspd.so.3.0.0: undefined reference to `typeinfo for
> xercesc_3_1::XMLEntityDecl'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::DTDEntityDecl::serialize(xercesc_3_1::XSerializeEngine&)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLString::release(unsigned short**,
> xercesc_3_1::MemoryManager*)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLString::transcode(char const*,
> xercesc_3_1::MemoryManager*)'
> src/libspd.so.3.0.0: undefined reference to `typeinfo for
> xercesc_3_1::DOMException'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLPlatformUtils::Terminate()'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLEntityDecl::~XMLEntityDecl()'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::SAXParseException::SAXParseException(xercesc_3_1::SAXParseException
> const&)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLAttDefList::getProtoType() const'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLString::transcode(unsigned short const*,
> xercesc_3_1::MemoryManager*)'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLUni::fgXercescDefaultLocale'
> src/libspd.so.3.0.0: undefined reference to
> `xercesc_3_1::XMLString::transcode(char const*, unsigned short*, unsigned
> long, xercesc_3_1::MemoryManager*)'
> collect2: ld returned 1 exit status
> make[2]: *** [spdclearclass] Error 1
> make[2]: Leaving directory `/opt/spdlib/src/spdlib_hg'
> make[1]: *** [CMakeFiles/spdclearclass.dir/all] Error 2
> make[1]: Leaving directory `/opt/spdlib/src/spdlib_hg'
> make: *** [all] Error 2
> ---
>
>
>
> On 10 April 2013 20:58, Peter Bunting <[email protected]> wrote:
>
>> Hi Peter,
>>
>> Thanks for your email.
>>
>> First of all, at the end of last week I moved the spdlib repository to
>> bitbucket and haven't had chance to update the website yet. The new URL is,
>> there have already been a couple of commits so would recommend you download
>> from there:
>>
>> hg clone https://bitbucket.org/petebunting/spdlib spdlib-20130407
>>
>> With regards to your question I also have my libraries in non-standard
>> locations and have variables setup to their locations so I use the
>> following cmake command to specify the locations. At the moment the cmake
>> script will only find libraries automatically if they are installed in
>> /usr/local and anywhere else they need to be specified as below:
>>
>> cmake -D CMAKE_INSTALL_PREFIX=/share/osgeo/fw/spdlib/20130407 \
>> -D HDF5_INCLUDE_DIR=$HDF5_INCLUDE_PATH \
>> -D HDF5_LIB_PATH=$HDF5_LIB_PATH \
>> -D LIBLAS_INCLUDE_DIR=$LIBLAS_INCLUDE_PATH \
>> -D LIBLAS_LIB_PATH=$LIBLAS_LIB_PATH \
>> -D GSL_INCLUDE_DIR=$GSL_INCLUDE_PATH \
>> -D GSL_LIB_PATH=$GSL_LIB_PATH \
>> -D CGAL_INCLUDE_DIR=$CGAL_INCLUDE_PATH \
>> -D CGAL_LIB_PATH=$CGAL_LIB_PATH \
>> -D GDAL_INCLUDE_DIR=$GDAL_INCLUDE_PATH \
>> -D GDAL_LIB_DIR=$GDAL_LIB_PATH \
>> -D XERCESC_INCLUDE_DIR=$XERCES_C_INCLUDE_PATH \
>> -D XERCESC_LIB_PATH=$XERCES_C_LIB_PATH \
>> -D GMP_INCLUDE_DIR=$GMP_INCLUDE_PATH \
>> -D GMP_LIB_PATH=$GMP_LIB_PATH \
>> -D MPFR_INCLUDE_DIR=$MPFR_INCLUDE_PATH \
>> -D MPFR_LIB_PATH=$MPFR_LIB_PATH \
>> -D CMAKE_VERBOSE_MAKEFILE=ON \
>> .
>>
>> Also, before rerunning cmake I would recommend deleting the
>> CMakeCache.txt file so if looks at everything again.
>>
>> I hope that helps, please let me know if I have help you any further.
>>
>> Best wishes,
>>
>> Pete
>>
>>
>> ****************************************************
>> * Dr Pete Bunting
>> * Senior Lecturer in Remote Sensing
>> * Institute of Geography and Earth Sciences
>> * Aberystwyth University
>> * Aberystwyth
>> * Ceredigion
>> * SY23 3DB
>> * UK
>> *
>> * Ph: +44 (0) 1970 622615
>> * Mob: +44 (0) 7917 842743
>> * NZ Ph: +64 (0) 4 280 7430
>> * Email: [email protected]
>> ****************************************************
>>
>> On 10 Apr 2013, at 15:58, Peter Wolynec <[email protected]>
>> wrote:
>>
>>
>> Hi spdlib-develops,
>>
>> We are trying to install spdlib on a VM running Red Hat Enterprise Linux
>> Server release 6.3.
>>
>> We have the following two packages installed -
>>
>> xerces-c-devel-3.0.1-0.20.1.el6.x86_64
>> xerces-c-3.0.1-0.20.1.el6.x86_64
>>
>> but have installed, from source, xerces-c-3.1.1 elsewhere on the
>> filesystem.
>>
>> The following command -
>>
>> cmake CMakeLists.txt -DCMAKE_INSTALL_PREFIX=/opt/spdlib/...
>>
>> returns with $? = 0
>>
>> but make returns the error below in the appendix.
>>
>> Can you please make any suggestions?
>>
>> What more information do you need from us?
>>
>> The include and library paths for HDF5, GSL, LibLAS, CGAL, Xerces-c, GMP
>> and MPFR
>> have been reset in CMakeLists.txt and .bash_profile
>>
>> A copy of spdlib has been obtained using -
>>
>> hg clone http://hg.code.sf.net/p/spdlib/code spdlib
>>
>> Thank you, in advance, for any information that you may be able to
>> provide.
>>
>> Regards,
>> Peter.
>>
>> ---
>> [ 71%] Building CXX object
>> CMakeFiles/spdclearclass.dir/src/exe/spdclearclass/main.cpp.o
>> In file included from /usr/include/gdal/ogr_feature.h:34,
>> from /usr/include/gdal/ogrsf_frmts.h:33,
>> from
>> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessDataBlocks.h:33,
>> from
>> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessPulses.h:37,
>> from
>> /opt/spdlib/src/spdlib_hg/include/spd/SPDCopyRemovingClassificationProcessor.h:38,
>> from
>> /opt/spdlib/src/spdlib_hg/src/exe/spdclearclass/main.cpp:31:
>> /usr/include/gdal/ogr_featurestyle.h: In member function ‘const char*
>> OGRStylePen::Pattern(GBool&)’:
>> /usr/include/gdal/ogr_featurestyle.h:263: warning: cast from type ‘const
>> char*’ to type ‘char*’ casts away constness
>> In file included from
>> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessDataBlocks.h:34,
>> from
>> /opt/spdlib/src/spdlib_hg/include/spd/SPDProcessPulses.h:37,
>> from
>> /opt/spdlib/src/spdlib_hg/include/spd/SPDCopyRemovingClassificationProcessor.h:38,
>> from
>> /opt/spdlib/src/spdlib_hg/src/exe/spdclearclass/main.cpp:31:
>> /usr/include/gdal/ogr_api.h: At global scope:
>> /usr/include/gdal/ogr_api.h:393: warning: redundant redeclaration of
>> ‘void OGRRegisterAll()’ in same scope
>> /usr/include/gdal/ogrsf_frmts.h:305: warning: previous declaration of
>> ‘void OGRRegisterAll()’
>> Linking CXX executable spdclearclass
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLAttDefList::serialize(xercesc_3_1::XSerializeEngine&)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::DTDEntityDecl::isSerializable() const'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::SAXParseException::~SAXParseException()'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::DOMImplementationRegistry::getDOMImplementation(unsigned
>> short const*)'
>> src/libspd.so.3.0.0: undefined reference to `typeinfo for
>> xercesc_3_1::SAXParseException'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMemory::operator delete(void*)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::DTDEntityDecl::getProtoType() const'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLUni::fgDOMErrorHandler'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLString::release(char**, xercesc_3_1::MemoryManager*)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLAttDefList::isSerializable() const'
>> src/libspd.so.3.0.0: undefined reference to `typeinfo for
>> xercesc_3_1::XMLException'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLPlatformUtils::Initialize(char const*, char const*,
>> xercesc_3_1::PanicHandler*, xercesc_3_1::MemoryManager*)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLPlatformUtils::fgMemoryManager'
>> src/libspd.so.3.0.0: undefined reference to `typeinfo for
>> xercesc_3_1::XMLEntityDecl'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::DTDEntityDecl::serialize(xercesc_3_1::XSerializeEngine&)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLString::release(unsigned short**,
>> xercesc_3_1::MemoryManager*)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLString::transcode(char const*,
>> xercesc_3_1::MemoryManager*)'
>> src/libspd.so.3.0.0: undefined reference to `typeinfo for
>> xercesc_3_1::DOMException'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLPlatformUtils::Terminate()'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLEntityDecl::~XMLEntityDecl()'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::SAXParseException::SAXParseException(xercesc_3_1::SAXParseException
>> const&)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLAttDefList::getProtoType() const'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLString::transcode(unsigned short const*,
>> xercesc_3_1::MemoryManager*)'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLUni::fgXercescDefaultLocale'
>> src/libspd.so.3.0.0: undefined reference to
>> `xercesc_3_1::XMLString::transcode(char const*, unsigned short*, unsigned
>> long, xercesc_3_1::MemoryManager*)'
>> collect2: ld returned 1 exit status
>> make[2]: *** [spdclearclass] Error 1
>> make[1]: *** [CMakeFiles/spdclearclass.dir/all] Error 2
>> make: *** [all] Error 2
>> ---
>>
>> ------------------------------------------------------------------------------
>> Precog is a next-generation analytics platform capable of advanced
>> analytics on semi-structured data. The platform includes APIs for building
>> apps and a phenomenal toolset for data science. Developers can use
>> our toolset for easy data analysis & visualization. Get a free account!
>>
>> http://www2.precog.com/precogplatform/slashdotnewsletter_______________________________________________
>> spdlib-develop mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/spdlib-develop
>>
>>
>>
>
>
------------------------------------------------------------------------------
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis & visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter
_______________________________________________
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