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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教- p' j6 s v* b7 S: R1 q7 u
globals[
/ y" }+ V5 b7 _& q0 I2 sxmax
: o" B* c( v. i" e* Gymax
) i: c6 g% X( T8 V4 _) @/ R' M$ E9 w8 pglobal-reputation-list/ t Y! j# Z1 S& M6 K5 }2 R
% X V! j6 P+ F- A9 ^3 x, `" Z
;;每一个turtle的全局声誉都存在此LIST中: T! m) D: W( @' V6 q, ^
credibility-list
/ y8 w _" b1 d; v;;每一个turtle的评价可信度
6 l6 a, c( ~- T$ g9 z/ t1 `$ l8 W) xhonest-service
* F5 C* m" e0 K1 Aunhonest-service
5 h9 f$ z G$ Q7 poscillation' A" w q8 j D" |4 ^5 O' m# h
rand-dynamic
0 g8 i" d; j7 g( b]
) `6 A7 V4 K$ B/ A3 d r0 h: P4 G' d; `
turtles-own[
6 ^1 x6 t/ h+ p; }6 b8 L5 ?trade-record-all
) j9 v; T4 W; H) c% s;;a list of lists,由trade-record-one组成- S, \! U1 y5 C& H. i
trade-record-one
2 C: ~9 O+ J' B5 t) ?% u;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% b$ b j" b- W6 D' Z4 i; B# i! _ t( l! F; c/ y7 M, Q" ^( O
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]& u6 N' [1 D \5 Q$ I8 B, u
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
8 b* N2 k+ f2 e7 O0 b4 w- vcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list: l$ {: J# b1 k, @
neighbor-total* w) J; j) ?; U7 m: h
;;记录该turtle的邻居节点的数目2 E [6 u3 k5 L# D, @* }
trade-time1 S1 z( M5 n% M
;;当前发生交易的turtle的交易时间
. |3 C" M# f3 D6 }7 lappraise-give
$ ? c9 q* _" V t+ H3 \;;当前发生交易时给出的评价
6 {+ R, C" D! ^% G0 {% Wappraise-receive0 `; q" G* f/ D0 F0 S
;;当前发生交易时收到的评价4 a' Q) O9 U; g u2 B% G
appraise-time( z0 j: c' z: }. b6 N6 ]5 p
;;当前发生交易时的评价时间, Z' Y1 r) r, @3 I: d* t
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 f c: m: \3 `) }
trade-times-total
( K( n! r$ G- z( x" T+ t" y+ W;;与当前turtle的交易总次数
& t0 P1 r: ~+ O" A- mtrade-money-total
8 R: G, A3 h# @9 n4 I8 N;;与当前turtle的交易总金额
4 }9 j! \) H; c- @" \" zlocal-reputation4 e1 B+ h% c! L% ~
global-reputation
# K! {" y( b- O! _credibility
; y# q, v) f* E( ~9 Q;;评价可信度,每次交易后都需要更新 k6 i% j# y6 `3 O+ X- T, O' @
credibility-all! W( V* ?) F9 B4 r- K
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据! Y" {3 t0 ?9 A& B
# T8 B. U6 [4 ~5 I: B
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
8 a+ m ~- c( ?9 M* R9 Bcredibility-one; Y# d1 _9 R; [; u# T# n
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项 B, K$ v; |: M& K2 {$ y- {2 X
global-proportion4 k A; k7 n8 e
customer5 F: s; N- H8 m, X
customer-no4 p5 ?, [6 \# Y) h5 W! R
trust-ok
. Y' ]$ W1 e0 Y. d4 atrade-record-one-len;;trade-record-one的长度- v& X) X" Y) e, ?, t: |7 Y% n
]
( f3 h& X: h* `) y0 j4 @) w2 B& B* Z
;;setup procedure0 Q" P y: ]5 \% Y( t
$ d* T6 D* x! P6 W8 Y
to setup2 A: f4 u4 _4 l/ C$ d6 F; I
1 e3 Z. |, t! H, T+ q
ca
6 F( }5 @5 o1 @5 \) [2 N9 @4 _7 k
O7 T. ^2 h7 I) q( minitialize-settings- p8 X$ d7 r+ Q( B. t# m8 U
2 ^) V& t. g! S7 w4 D! ?* [
crt people [setup-turtles]
: @& V$ f8 z1 f$ t4 k4 t4 r. O$ M( N/ o6 I7 j; J
reset-timer, ?% J& c/ | p
3 C4 J( @" `( m9 O0 S# epoll-class% R7 T6 I" U- v2 m, |
$ p' Z! R. x+ K$ R1 ]1 a! c9 d! v( zsetup-plots& n3 {5 d( s2 r1 A. J) T( U
) ~+ U6 j7 a" f: N7 W9 Tdo-plots. |+ h7 S5 H# x7 X/ ]
end
3 B) \0 ` b/ s1 k4 u: \0 N2 ~& ^& k5 l% K+ k
to initialize-settings
6 q3 }3 w4 ?) T
, f' ~6 I8 c x. v* q- \* I: eset global-reputation-list []
. |5 O% i4 g1 S% j. X" M( w: M! A" B) k$ p! V3 x ~9 q" A3 g: N
set credibility-list n-values people [0.5]
+ Y7 Q9 ^& R* u- R3 k7 h, h4 Q8 [( r( q i
set honest-service 0
+ q+ V, S8 n3 c' X, m- V' v
# F9 Z$ m8 E3 @$ H7 O% [4 rset unhonest-service 0
% P$ ?+ i( p# i: y. o- Y0 F/ G' ^# a# T, V7 n4 T
set oscillation 0
" {8 j4 R* q% P8 m0 I
2 a7 N& t0 ~( l) v7 }set rand-dynamic 0+ Q- y% d* F+ k- \# K s0 G$ M
end
6 d( _2 f. o" f) l% m
1 F* L2 {. t! p6 T' [to setup-turtles $ }7 l$ S- h5 c l U* j1 @* }$ r+ d
set shape "person"
- N' P6 A' } hsetxy random-xcor random-ycor
, Z( K" p) } h& g+ Z! y) ?set trade-record-one []* a$ h& L( X8 o/ U# R" g# Y
1 q% w, ~, i& y8 P; z$ O( m E
set trade-record-all n-values people [(list (? + 1) 0 0)] 1 F- Z( Z" \) b0 m4 D
1 f) S. y2 Y; _7 ~' P) J
set trade-record-current []
/ R4 e$ {5 H* W* H" I% xset credibility-receive []/ B9 k. p; D E0 m0 U
set local-reputation 0.5
$ I. J! D& y6 r, wset neighbor-total 0& _- {" V! M. G: Q8 O
set trade-times-total 0
+ g9 Y! ~' g# t2 |: ]& hset trade-money-total 0& B: o4 g3 q9 [' C
set customer nobody
; o6 Y* F6 z4 ]1 X% x/ }set credibility-all n-values people [creat-credibility]. b. M+ y; L6 _$ O3 f
set credibility n-values people [-1]: o2 ?* W# }+ z' d# d: e1 P. Z
get-color
- a3 U" i8 b! V0 ^4 m, Z6 {
7 n5 a8 B5 G1 }" Q5 ^end( v% U; b! V; s+ x
) `: b, P. p- v) e
to-report creat-credibility
" c# Q0 D) P; h3 D& t: |# t/ zreport n-values people [0.5]8 }4 Q) I" Q! a2 k6 ]% a1 f
end
7 B& Q; W# P5 y& E
% u0 c6 H+ X( |9 D- [. {to setup-plots/ }2 V5 q% ^. y) h4 U* D
5 H) n/ D) E7 F" X* d' _' x d; uset xmax 30
, g7 `9 F. z6 q6 h/ I2 n# d3 M3 X, }9 m! E7 r' o4 m
set ymax 1.0
" k2 f( E7 ~. y i8 q+ J# ?
) s# }% x" } ]6 O" o" {' n4 J& zclear-all-plots: u4 B8 L# a }( n$ u
" Q0 A" h1 E3 ysetup-plot1* _# h+ [ s `
8 K3 ?: Y d- F$ R$ [, Csetup-plot2% X5 b* k9 k3 d* M/ i
w* y/ e8 N* Gsetup-plot3
! o+ P2 |1 }1 v% Z+ e2 X# Iend8 |/ _% ^* o3 w; }
: J. ^& q k0 d9 v/ [. M2 Z* `
;;run time procedures
( |3 Z& J& y5 e s. L8 V0 M3 Y; E7 m3 _: D
to go' F- S" x/ S. ?' x3 d7 j
( Y5 D0 d, B9 f+ C. {; Vask turtles [do-business]) B( t- Y3 r" O" z1 o v. @
end5 O( B0 s, U4 G+ S6 K+ x! P; Z w; j
) r( n4 n& j6 {$ u3 ?- X
to do-business , F8 `9 ~# `* [0 h! ?- D" F/ ]
3 ~( E4 p# `9 Z( H
8 g5 C8 ~4 O; \2 l6 ]- r: `/ A: Prt random 360
( Y9 f0 D; x+ s Y t0 G3 m! ?: Z+ y! Y. b" d
fd 1 x# }& K0 H3 b! o& ^% v- ]
9 X' m7 M3 u7 {* q$ a+ ^. h8 A
ifelse(other turtles-here != nobody)[ ~. _3 S. w, |0 l# a2 w
6 {7 ]4 ^) ]+ K2 Xset customer one-of other turtles-here
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: V: r2 s) P; G" |3 n2 J6 g$ F;; set [customer] of customer myself
( _' C% {& x* G3 |6 P8 w5 M& }7 J/ u: H1 ^* n
set [trade-record-one] of self item (([who] of customer) - 1)7 F b' F, K7 B0 B8 x/ H+ \
[trade-record-all]of self3 A/ t. K, u0 O' k9 o, L) g
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self4 U) C$ V5 I1 f$ d
- J- _! B8 T/ u, ?6 A) Sset [trade-record-one] of customer item (([who] of self) - 1)2 m! [, f9 ?9 V" C. C. R2 f
[trade-record-all]of customer7 X1 ] b6 [& P0 X# }( @. D
# K4 d2 \" ]& S1 F- ?
set [trade-record-one-len] of self length [trade-record-one] of self$ c9 D5 ?8 |+ {: f
6 g: R( ?2 x$ }set trade-record-current( list (timer) (random money-upper-limit)) z, D( k0 }/ _6 g1 d
1 Q+ E3 ^, o. w% y) Y2 L
ask self [do-trust]
# o1 r# z& T9 _8 X0 p;;先求i对j的信任度
# d* v# p: V, H% [
z8 k) w% L% O9 Sif ([trust-ok] of self). C, e3 G5 e; D" o" U3 ^5 G; q
;;根据i对j的信任度来决定是否与j进行交易[; N1 R! |6 ~' t% s' \7 Y3 h4 h
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 a* p# B" m" E* S( b
[3 R. d( k: a8 [' ]& F O0 S* \: x[
* g0 y$ F. Y; i) `
. K- }3 v8 _: f- Ndo-trade
& C. V/ a: {0 d7 T% @# ~" _9 N+ B/ O6 b; Y8 S* U2 B
update-credibility-ijl' w& a, x( S. C0 C' o# d F- R$ G
8 T! S7 x7 V; `9 |+ t5 v6 W- ?update-credibility-list
/ A+ S2 U$ B# C- P# @: O& z# j6 R& Y' `) [
* S: R* P6 U ]$ E5 ? Z# c$ D- xupdate-global-reputation-list6 }9 b0 p F9 k; r
, o+ s$ b" e: W! |& R; E! q
poll-class0 P/ X" P4 Z2 [6 G
, T d5 o( h4 f5 ~get-color
! B& b! Q* Z$ s# s/ i$ ?( a( U6 ?* ?6 z+ Y
]]2 g+ D9 X5 D4 w% I
0 i! e. J1 Y: }7 n! R5 Y;;如果所得的信任度满足条件,则进行交易
0 N, g/ p) H* z7 i: A; I6 `) C2 J4 d/ u) O- q% y$ K
[8 I0 q5 V. a% c4 ~; Y
7 H- G/ ]& F1 O( E" l0 b
rt random 360
& \+ E: |4 H. e/ o: L; ^, o) q" p/ o1 b
fd 1
2 Z' R* ?/ e' ^% n& n' E
; I7 F3 A1 J& H* H2 n" R9 W]
+ u. Q% f/ e3 Z( V8 f! e+ [& m. u& y" F) o
end
7 @! @" O: V- x+ p/ y/ h' e; m4 o5 K9 T
to do-trust 1 P6 }9 W- ?& N! m( K1 P" X, E# X
set trust-ok False% e, ~1 q& M6 e6 q! b8 l
* \0 R* G& ]8 N4 ]' Z' O! ]4 [6 f; b' m% D9 Y& Q
let max-trade-times 00 i1 V5 V* F# ]
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]], t ?) k! n/ k7 u& e8 O2 M
let max-trade-money 0+ v, [, r3 b2 X* Z7 a. K
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 |) u- h* v1 Ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
5 [/ p% ^% t5 b/ B& i/ c3 O. o d& p! ~$ M! {' G* U2 v
W( [/ i. m0 ]5 T$ `" ^get-global-proportion
7 p" D _) _3 Alet trust-value; o: L2 [4 w( J' h/ B' q ?
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
; r9 e: }5 t/ G5 P# \6 |: hif(trust-value > trade-trust-value); z2 o, `% r6 X
[set trust-ok true]% Q' l/ ^' ^' t$ L C3 D
end
. ]3 _; {9 g4 z+ a
- O/ L0 ~+ Y0 M, lto get-global-proportion
% ~# @, `/ D- M `( K3 w9 {6 Rifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 e; r; o1 O- u: M* c G9 l5 `[set global-proportion 0]
0 D4 P4 G% W! C2 S& i! p/ o0 C[let i 0& n2 R' O5 o' N7 D2 J8 R
let sum-money 0" E% x5 p6 M# F# D# J
while[ i < people]
N* U1 {$ i P/ F, O. o- v: a9 t' a[* Z& |2 }* L( m) H3 k
if( length (item i
6 a6 k4 _) o+ m9 d' l7 @[trade-record-all] of customer) > 3 )9 C3 G8 l9 x( _! u
[0 q0 n$ V% K8 k- o
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 |- G/ c/ Q! s7 e& ^) U]+ |0 O' }) }5 q, Y, _* ~2 N% X
]
+ v; p: F$ k: [8 Rlet j 0$ m. J* Q& `1 @6 [5 a* v8 d
let note 01 p5 M+ l( x) R3 B9 d1 u
while[ j < people]
# o d0 A& y$ |0 `1 M[% q6 y( }$ |9 e K& |! [/ F2 z: y: s
if( length (item i
9 i3 B% i! @7 k3 f4 w[trade-record-all] of customer) > 3 )! f4 o: d& \. a
[5 B u0 s: I0 a9 x3 J6 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ k& _% |5 g9 f
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
o; n. z: n4 f8 W$ g, O' \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]7 }5 n- a- {5 ]# a# v
]5 E! c( |8 Q% P6 W, R- V4 }
]: c5 c1 l0 Y6 v, L
set global-proportion note
7 Z0 _' B9 a1 L' K Z]7 U1 G. d# @- R3 L
end
' g0 q7 e! {( d* r, i
1 o2 E0 ^% V2 A, @7 bto do-trade! }, @5 s' Q4 w& L$ m
;;这个过程实际上是给双方作出评价的过程- F) J" y# q+ u7 i1 ` _2 u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. ^: ~4 l4 v& A% W' p
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
; k% K8 j! a: k. jset trade-record-current lput(timer) trade-record-current
2 z& E$ D3 G, g2 M;;评价时间9 X( c9 N' N* k& y
ask myself [
6 q9 G5 S+ E8 U7 @3 dupdate-local-reputation: l- q8 K( v$ T2 U, x
set trade-record-current lput([local-reputation] of myself) trade-record-current
, K8 L) l! U( W8 \$ }- G, R]4 E. K' h" y" w- e2 l6 U. z! j3 p
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
q! f! E5 J- i# q1 z- b;;将此次交易的记录加入到trade-record-one中
. P" P* T9 A. c. n5 X( \! I+ Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 ^5 @( s0 X' p, c
let note (item 2 trade-record-current )
0 B' m2 b' E) }, z, zset trade-record-current
- F& p( T# ?3 D- u# B+ w& v* y(replace-item 2 trade-record-current (item 3 trade-record-current))+ g! V8 x) g- ]; D& h
set trade-record-current
) {+ } G& i% u4 A$ ^% e(replace-item 3 trade-record-current note)
0 [0 F+ C# |) r+ w, Y/ y! r% Q" e* q# p3 J$ r# P3 V3 d
# P1 {* P1 {9 @4 Qask customer [7 n; y4 I1 k% d" {
update-local-reputation
q+ E$ K* m i, v5 R( Sset trade-record-current% i+ Q9 A5 `" k% k! f2 u6 p$ l
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! w* c7 a0 G* [2 }]# x* F' L- W9 [2 l. {. _/ G5 A& G
+ Z: F5 p* G% K- y, ~% _. i
f) b a0 F; }9 Y" S& }8 h( `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
n! x% o7 z& e* G' M# X7 a" s& l1 P* S0 @0 |* Z) s Q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 |8 P. Q8 F6 K;;将此次交易的记录加入到customer的trade-record-all中" y! _: X0 s- M z7 p: i
end
2 }4 {9 @. w% h4 P" |' M2 m
( p8 E4 A7 R. p+ F# Y( Hto update-local-reputation
4 t% u! u$ f- a- N! z+ pset [trade-record-one-len] of myself length [trade-record-one] of myself1 \ Y. H# y& Y& T
) i, f, ]6 [1 D. R7 \: G# l6 f5 M% a! i; n& O
;;if [trade-record-one-len] of myself > 3 ( U" U1 S* q- V
update-neighbor-total7 G ^, C+ H/ g# j) {5 ^
;;更新邻居节点的数目,在此进行
$ x( Q9 K% J3 [9 O6 Qlet i 3
: V/ _& B8 }2 L4 F B/ alet sum-time 0
& W2 z( b8 S4 c+ k+ [while[i < [trade-record-one-len] of myself]5 Q- E: k; o" A E- I
[& ~! c& @4 ^ @7 m2 X4 ~1 @
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) w8 @7 H' q8 j8 T$ F8 x. h
set i: v/ X& g* A% e9 P6 F
( i + 1)
; V! C6 I$ ^6 A$ ]1 G0 x4 n]$ F+ }; _- w2 |; Y/ P
let j 3+ C8 w4 U+ V; v& S! l- t- _! a+ k
let sum-money 0; |- D; W3 Y4 ~5 U. _0 Y
while[j < [trade-record-one-len] of myself]
& c1 p; g; |" ~% _; z5 c[
S9 C" {6 _/ ]1 K+ g1 ]% Gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)% o6 l" d6 a! q- E- {, h. R
set j
" M( b! P7 K k6 c9 i9 W( j + 1)
5 c' r' L, s8 x- N+ V/ h2 z4 `]
A5 C9 b$ p: ^. plet k 31 e ]/ k, q! k' I* [/ t0 ~
let power 0
# g! x5 V4 Z, ^let local 0
# ]/ u/ m9 j U) q; I G* b! |while [k <[trade-record-one-len] of myself]
: V- K2 w# r2 n[
/ w$ k( T3 v( C A' b. Xset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
1 M! x& s) v/ `: Xset k (k + 1)
' \6 h- A8 p+ X8 ^- C1 d]
) o- B! I @" A1 N$ }set [local-reputation] of myself (local)
" I3 X" j: h. m; d* `* n9 b2 uend
0 y7 J" H7 W. {( q' c' _
" `1 B( e6 K, R; A8 j, \! rto update-neighbor-total+ S/ }# R6 q9 M- z( G) } m4 b- _2 V
% y9 R$ M" p( R! U0 k3 R9 E0 iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]& }6 h/ \3 ~5 a5 Y9 y4 L
& U7 B' c+ x9 }
/ p5 }7 k3 I& l4 j# O( a$ fend
+ y4 M( W W3 E" C2 \1 \6 Z/ x
! q5 o$ {& N$ j. }( e: }$ B/ O4 Z; |! _to update-credibility-ijl
6 @: u T* h, a8 G! G1 p" K3 C" q% u0 Y4 d" f% \! [, `0 f
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
; K4 X* H3 \1 G: ^let l 04 C5 ?% e8 s8 k6 F
while[ l < people ]
% w2 ~* m- { R: K/ T9 B6 N;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
9 L* z5 \( A7 x: l7 G[
1 D# J7 Q) X& T% F2 B( M# b0 o+ ~let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 R% _' _7 {. hif (trade-record-one-j-l-len > 3)* k/ ]4 l$ s/ L; ]3 u
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
/ v6 Q* @: ~+ _, T$ U9 w2 m+ S- Vlet i 3
7 w+ J1 ^5 G: f) M, L0 G( `let sum-time 0! N5 ]9 J2 D3 Y1 X8 O& J2 o
while[i < trade-record-one-len]. g. W ]$ I9 o/ z3 N# a- Q+ u1 }
[8 S1 I& k0 d4 c, V. M0 }4 [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); V$ R1 b: y: X3 U1 G% n( J4 U$ I
set i
4 @, o6 o \8 u" W' \( i + 1)" h3 g$ d8 ]6 P1 Y8 ^% }* m0 z
]3 h) |; F$ W2 E
let credibility-i-j-l 0/ U' V3 c0 z6 d3 k0 ~; s, L
;;i评价(j对jl的评价)- U" ?0 F& \. _! ~
let j 3 |8 r) t& U( t8 U4 F
let k 4
u$ _3 C# }% s1 }while[j < trade-record-one-len]
9 p5 {1 g4 z6 U/ s[
$ D9 ~) W% p/ I+ J, zwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉" N" a$ E6 o q1 P. {& Y
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)8 a, z& f5 B- O1 e' j
set j7 ^1 Y% ]6 J# }: L0 A+ }- A
( j + 1)1 v D/ T! [- L- J- A
]
" p; s2 T. S; N: o' `. oset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
, j5 ^) t) W9 e& b! o; U" m: A' a& |5 E" Y2 | ^0 m7 w
0 k/ F2 l4 Z' ? B, Blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- I! p7 I, | b: w! n;;及时更新i对l的评价质量的评价
8 @4 p! i2 S2 ]% k1 M, P& n% Gset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# e: Q: J- M' A1 ]5 _+ f% qset l (l + 1)
2 M( }5 T1 |7 T0 z$ u1 F, |]+ l. m: X2 n# u0 G3 l: u
end
# A, K- b7 X! S. z7 o
; ?" i" t# n; {4 O0 T& ?8 Gto update-credibility-list9 m, k/ N, i) ]6 w7 y
let i 08 ^- V- V+ C8 j8 R
while[i < people]
' B& t' a1 ~+ C. v- x[
" c2 r; H' @$ i0 _let j 0
; ]: e, x. l3 P! \" Elet note 0
" _" |4 q1 R% M1 k8 T" nlet k 00 n% M9 }) |( l* d
;;计作出过评价的邻居节点的数目* |) h$ R6 G- S' i5 h) Y, A
while[j < people]7 _3 o" w$ Z) B. A; c) b' B) F; Z
[. O& H' }; j9 z+ a' E0 T+ X- b
if (item j( [credibility] of turtle (i + 1)) != -1)! o! `1 S; g; [/ ~+ b
;;判断是否给本turtle的评价质量做出过评价的节点
$ K, ~6 o5 P! D/ ^[set note (note + item j ([credibility]of turtle (i + 1)))
2 j& Y1 t* r/ S, z8 e) b: |. g;;*(exp (-(people - 2)))/(people - 2))]. B4 A' b3 G; A0 m4 i# i# o
set k (k + 1)9 ^; x. x6 a9 y# m) P. ^
], K+ T5 T* r; ]* O! M; Z4 u
set j (j + 1)
6 q, o# l7 ?$ F( a]+ X3 f7 N" r$ q0 v- \- c( t
set note (note *(exp (- (1 / k)))/ k)
6 e4 `: ~1 p5 v4 {( Kset credibility-list (replace-item i credibility-list note)* }* @! u6 V8 T$ w3 `( @
set i (i + 1)
6 n3 R1 }- T9 W]
4 M" c& G8 p% n: D8 G6 I% J- Fend0 ~: u3 f9 b" O
4 h1 J1 ?, `+ c
to update-global-reputation-list2 Z- i+ L. F' w
let j 0 C2 ^% z/ b3 r* c: n
while[j < people]# T- a; r; _1 E( M0 I' s; t3 U
[7 Y. U' z8 T% Y
let new 0 _$ h |7 _6 }# _, l1 U6 G# X, P
;;暂存新的一个全局声誉
/ g5 x2 \, r; _ v7 a! E" p4 ylet i 0% x% I E' m6 Z& P
let sum-money 00 K! U! c1 x/ O5 K$ S% g
let credibility-money 0+ J/ `7 P4 {& v' u! u! Y
while [i < people]
" {7 Z6 M8 ^* X* m- ^[' @+ C2 Y) {* W/ J7 r/ `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
X2 @9 j3 |5 |/ x2 eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 |2 c: C/ k' o5 T1 N
set i (i + 1)
, n G+ \1 g9 N" J# l$ D1 |]
' h! s7 W/ \2 ~& M2 ^! |3 s: ~8 nlet k 0
+ }" C+ [+ p$ w" t4 {4 K/ Z" v* mlet new1 0
# |! S: `. D' hwhile [k < people]
8 V3 m) l) V# A[+ v6 Y' z1 X( ^! h! q" d
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
: X2 a" N0 @( U0 ]4 uset k (k + 1)' J! N) h" M' y9 O. |% D( r3 m
]' I* Z* D( s% }
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* X5 v2 A/ S- @- M( b: y* |set global-reputation-list (replace-item j global-reputation-list new)
. k1 T( c9 C! c8 ?set j (j + 1)0 `0 l4 B7 C V
]
" X. r0 a5 n8 j, u& kend
. U- a0 [3 I9 x' o7 @* C% U. c
' t2 J% E- M& ]& s: D1 T1 |7 ?$ H, N5 d4 m) K `
/ }7 y% J; \& J& \/ V
to get-color) x% q7 @7 p4 J9 F, ~* f
' ~# T) e2 Y( `* _( I
set color blue
0 _8 E/ K6 G& z7 W: f1 W9 @0 F) P4 J! \end0 v, Z8 j2 _+ J6 N2 L
5 {' [3 g' Y% J0 i) ?8 k- v5 Z
to poll-class9 {3 H+ P! X4 E9 ?
end
% b1 |% X& X- C) c f6 k$ G
( u) U: C/ f5 a& O& pto setup-plot1" D7 K) l: n: {
$ \6 Q6 d$ p S( Y& O$ v; o: ^set-current-plot "Trends-of-Local-reputation": [! \$ r! k( z5 a
* d j0 n. k6 _set-plot-x-range 0 xmax
' K' G+ J4 ^0 {" z/ r/ n7 W) S4 e6 G( b X `" @
set-plot-y-range 0.0 ymax4 R3 ?. {- V" f9 @) i/ z$ d! ~
end
$ L' N+ G% K, n4 K& x& |7 t' i+ y% D! H$ |3 O5 T" Q1 I" s
to setup-plot2( {0 H" P, x6 f8 Q
2 @0 a/ f9 f! _ f/ s
set-current-plot "Trends-of-global-reputation"; F8 j( i) _* \1 z
{! ]* }) D5 n* r: Pset-plot-x-range 0 xmax) ?. V$ O T- H } _
% v' k# ~, w9 }) ^" q& n
set-plot-y-range 0.0 ymax
/ @4 E* n1 Q$ x5 I) F1 }end8 h/ {( J! M. f/ r0 f' m# A
% W8 ?# e' J5 Q
to setup-plot3
# J% A2 ~3 O- p0 f$ f* j9 N3 `
]6 j; {+ d0 o- l( |: c( b' \& Jset-current-plot "Trends-of-credibility"
" {' j3 Q5 y2 g
; h! }: q6 v: N. ?' C' k: Gset-plot-x-range 0 xmax8 M S7 b2 a% P0 C: Q+ K9 H! S
f) Q8 D( v9 `* s3 G8 P- q0 Fset-plot-y-range 0.0 ymax. Q0 r+ }$ Y! _. h2 j/ U* a5 N
end
* {+ a* d4 m. L3 Q1 u: k2 c2 A. C7 T) L& ^4 Y6 b
to do-plots
: J$ E( u9 y5 G; [set-current-plot "Trends-of-Local-reputation". n& ?/ i' u, X1 x+ c; o
set-current-plot-pen "Honest service"+ m% R' D J1 u" X* R3 X3 j) r; O
end
; g6 N+ n7 E1 j- |. h4 t; B2 I- |8 _9 X" n3 w- P1 R9 ?4 ^1 x
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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