A chunk can be represented as an Atom if one wishes... "chunking" in this context would be a particular process for creating new Atoms from sets of previously existing ones...
On Tue, May 2, 2017 at 11:00 PM, Matthew Ikle <[email protected]> wrote: > This is straightforward: Strength is a measure of likelihood — it can be > thought of as a probability, while confidence is a measure of how confident > one is in the strength value. Confidence is related to the value of count. > The more pieces of evidence upon which the strength is determined, the > higher the confidence in the strength value. > > The attention value is determined by what the system is working upon at the > moment. It is a measure of the importance of an Atom to the system at a > point in time. As I write this, for example, “Atoms” in my mind related to > the attention allocation system (Economic Attention Networks) would have a > high attention (or importance) value. > > —matt > > On May 2, 2017, at 8:41 AM, nageenn18 <[email protected]> wrote: > > Dear all, > Can anyone here explain in detail tge concept of truth value > -stregnth > -confidence > -count > What is the concept of attention value. > Explain with example please > > > > Sent from my Samsung Galaxy smartphone. > > -------- Original message -------- > From: 'Nil Geisweiller' via opencog <[email protected]> > Date: 5/2/17 10:45 AM (GMT+05:00) > To: [email protected] > Cc: [email protected], Linas Vepstas <[email protected]> > Subject: Re: [opencog-dev] Pros and cons > > On 04/28/2017 06:11 PM, Ben Goertzel wrote: >> to implement new inference rules, you code new ImplicationLinks, >> wrapped with LambdaLinks etc. ... > > Some precision. You can encode rules as data using for instance > ImplicationLinks, then use PLN or any custom deduction, modus-ponens, > etc rules defined as BindLinks to reason on these. Or directly encode > your rules as BindLinks. The following example demonstrates the 2 ways > > https://github.com/opencog/atomspace/tree/master/examples/rule-engine/frog > > Nil > > >> >> new inference rules coded as such Atoms, can be executed perfectly >> well by the URE rule engine... >> >> quantitative truth value formulas associated with new inference rules >> can be coded in Scheme or python and wrapped in GroundedSchemaNodes >> >> easy peasy... >> >> >> On Fri, Apr 28, 2017 at 11:09 PM, Daniel Gross <[email protected]> wrote: >>> Hi Linas, >>> >>> Thank you. >>> >>> What is the mechanism to endow new language elements in atomese with an >>> (custom) inference semantics. >>> >>> thank you, >>> >>> Daniel >>> >>> >>> >>> >>> On Friday, 28 April 2017 17:47:16 UTC+3, linas wrote: >>>> >>>> >>>> >>>> On Wed, Apr 26, 2017 at 11:43 PM, Daniel Gross <[email protected]> >>>> wrote: >>>>> >>>>> Hi Linas, >>>>> >>>>> Yes your intuition is right. >>>>> >>>>> Thank you for your clarification. >>>>> >>>>> What is the core meta-language that is OpenCog into which PLN can be >>>>> loaded. >>>> >>>> >>>> Its the system of typed atoms and values values. >>>> http://wiki.opencog.org/w/Atom http://wiki.opencog.org/w/Value >>>> >>>> You can add new types if you wish (you can remove them too, but stuff >>>> will >>>> then likely break) with the new types defining teh new kinds of >>>> knowledge >>>> you want to represent. >>>> >>>> There is a rich set of pre-defined types, which encode pretty much >>>> everything that is generically useful, across multiple projects that >>>> people >>>> have done. We call this "language" "atomese" >>>> http://wiki.opencog.org/w/Atomese >>>> >>>> We've gone through a lot of different atom types, by trial and error; >>>> the >>>> current ones are the ones that seem to work OK. There are over a >>>> hundred of >>>> them. >>>> >>>> PLN uses only about a dozen of them, such as ImplicationLink, >>>> InheritanceLink, and most importantly, EvaluationLink. >>>> >>>> Using EvaluationLink is kind-of-like inventing a new type. So most users >>>> are told to use that, and nothing else. Some types seem to deserve a >>>> short-hand notation, and so these get hard-coded for various reasons >>>> (usually for performance reasons). >>>> >>>> --linas >>>>> >>>>> >>>>> Daniel >>>>> >>>>> >>>>> >>>>> On Thursday, 27 April 2017 05:42:02 UTC+3, linas wrote: >>>>>> >>>>>> >>>>>> >>>>>> On Wed, Apr 26, 2017 at 9:13 PM, Daniel Gross <[email protected]> >>>>>> wrote: >>>>>>> >>>>>>> Hi Linas, >>>>>>> >>>>>>> I guess it would be good to differentiate between the KR architecture >>>>>>> and the language. Would be great if there exists some kind of >>>>>>> comparison of >>>>>>> the open cog language to other comparable KR languages. >>>>>> >>>>>> >>>>>> I don't quite understand. However, if I were to take a guess at the >>>>>> intent. >>>>>> >>>>>> opencog allows you to design your own KR language; it doesn't much >>>>>> care, >>>>>> it provides a set of tools. These include a data store, a rule engine >>>>>> with >>>>>> backward and forward chainers, a pattern matcher, a pattern miner. >>>>>> >>>>>> Opencog does come with a default "KR language", PLN -- its described >>>>>> in >>>>>> multiple PLN books. But if you don't like PLN, you can create your >>>>>> own KR >>>>>> language. All the parts are there. >>>>>> >>>>>> The "cognitive architecture" is something you'd layer on top of the KR >>>>>> language (and/or on top of various neural nets, and/or on top of >>>>>> various >>>>>> learning algorithms, etc). >>>>>> >>>>>> opencog does not have a particularly firm "architecture" per se; we >>>>>> experiment and try to make things work, and learn from that. Ben would >>>>>> say >>>>>> that there is an architecture, it just hasn't been implemented yet. >>>>>> There's >>>>>> a lot to do, we're only getting started. >>>>>> >>>>>> --linas >>>>>>> >>>>>>> >>>>>>> Then there are cognitive architectures, which can be compared. I >>>>>>> think >>>>>>> Ben has a number of architectures compared in his book. >>>>>>> >>>>>>> i guess one then needs a kind of "composite" -- what an >>>>>>> architecture+language can do, since an architecture likely takes >>>>>>> advantage >>>>>>> of the language features. >>>>>>> >>>>>>> Daniel >>>>>>> >>>>>>> On Wednesday, 26 April 2017 21:54:11 UTC+3, linas wrote: >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Wed, Apr 26, 2017 at 1:41 PM, Nageen Naeem <[email protected]> >>>>>>>> wrote: >>>>>>>>> >>>>>>>>> OpenCog didn't shift to java from c++? >>>>>>>> >>>>>>>> >>>>>>>> You are welcome to study https://github.com/opencog for the source >>>>>>>> languages used. >>>>>>>> >>>>>>>>> >>>>>>>>> Thanks for defining pros and cons if there is any paper on >>>>>>>>> comparison >>>>>>>>> with other architecture kindly recommend me. >>>>>>>> >>>>>>>> >>>>>>>> Ben has written multiple books on the archtiecture in general. The >>>>>>>> wiki describes particular choices. >>>>>>>> >>>>>>>> I am not aware of any other (knowledge-representation) architectures >>>>>>>> that can do what the atomspace can do. So I'm not sure what you >>>>>>>> want to >>>>>>>> compare against. Triplestore? various actionscripts? Prolog? >>>>>>>> >>>>>>>> --linas >>>>>>>> >>>>>>>>> >>>>>>>>> On Wednesday, April 26, 2017 at 9:36:04 PM UTC+5, Ben Goertzel >>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>> OpenCog did not shift from Java to C++, it was always C++ >>>>>>>>>> >>>>>>>>>> The advantage of Atomspace is that it allows fine-grained semantic >>>>>>>>>> representations of all forms of knowledge in a common framework. >>>>>>>>>> The >>>>>>>>>> disadvantage is, this makes things complicated. The other >>>>>>>>>> advantage >>>>>>>>>> is, this fine-grained representation makes data amenable to >>>>>>>>>> multiple >>>>>>>>>> AI algorithms, including ones that can work together >>>>>>>>>> synergetically >>>>>>>>>> >>>>>>>>>> ben >>>>>>>>>> >>>>>>>>>> On Wed, Apr 26, 2017 at 12:10 PM, Nageen Naeem <[email protected]> >>>>>>>>>> wrote: >>>>>>>>>>> Hey, >>>>>>>>>>> I'm searching for pros and cons for using atomspace for knowledge >>>>>>>>>>> representation but didn't get any full-fledged answer related to >>>>>>>>>>> it. what >>>>>>>>>>> are the pros and cons of using atomspace and why OpenCog shifted >>>>>>>>>>> to java >>>>>>>>>>> from c++ what are reasons behind it? >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>>> Google >>>>>>>>>>> Groups >>>>>>>>>>> "opencog" group. >>>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>>> send an >>>>>>>>>>> email to [email protected]. >>>>>>>>>>> To post to this group, send email to [email protected]. >>>>>>>>>>> Visit this group at https://groups.google.com/group/opencog. >>>>>>>>>>> To view this discussion on the web visit >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> https://groups.google.com/d/msgid/opencog/bd2cd2ad-b15c-4a2e-a962-328a3197c0d7%40googlegroups.com. >>>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Ben Goertzel, PhD >>>>>>>>>> http://goertzel.org >>>>>>>>>> >>>>>>>>>> "I am God! I am nothing, I'm play, I am freedom, I am life. I am >>>>>>>>>> the >>>>>>>>>> boundary, I am the peak." -- Alexander Scriabin >>>>>>>>> >>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "opencog" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to [email protected]. >>>>>>>>> To post to this group, send email to [email protected]. >>>>>>>>> Visit this group at https://groups.google.com/group/opencog. >>>>>>>>> To view this discussion on the web visit >>>>>>>>> >>>>>>>>> https://groups.google.com/d/msgid/opencog/d6da6287-a623-47eb-b3c3-6444bce465c0%40googlegroups.com. >>>>>>>>> >>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>> >>>>>>>> >>>>>> >>>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "opencog" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at https://groups.google.com/group/opencog. >>> To view this discussion on the web visit >>> >>> https://groups.google.com/d/msgid/opencog/fe19fdfd-8070-40b2-a40a-82a9865aad84%40googlegroups.com. >>> >>> For more options, visit https://groups.google.com/d/optout. >> >> >> > > -- > You received this message because you are subscribed to a topic in the > Google Groups "opencog" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/opencog/CMNQ85EfBMU/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/opencog. > To view this discussion on the web visit > https://groups.google.com/d/msgid/opencog/fd399981-1d6c-237c-c1da-3fc3a34703e2%40gmail.com. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "opencog" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/opencog. > To view this discussion on the web visit > https://groups.google.com/d/msgid/opencog/59089a8b.9090620a.3f40a.8feb%40mx.google.com. > For more options, visit https://groups.google.com/d/optout. > > > -- > You received this message because you are subscribed to the Google Groups > "opencog" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/opencog. > To view this discussion on the web visit > https://groups.google.com/d/msgid/opencog/64B610FB-5817-4A9B-A42F-9269F8934AD0%40gmail.com. > > For more options, visit https://groups.google.com/d/optout. -- Ben Goertzel, PhD http://goertzel.org "I am God! I am nothing, I'm play, I am freedom, I am life. I am the boundary, I am the peak." -- Alexander Scriabin -- You received this message because you are subscribed to the Google Groups "opencog" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/opencog. To view this discussion on the web visit https://groups.google.com/d/msgid/opencog/CACYTDBc4ZjTBKto3QBq6DNR5W2rtRjSKqA7J_V%3DMndDPzfstfw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
