|
楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
. m1 x' L2 ^2 y1 g" j. J/ [globals[
- e7 y! {+ {8 |2 k. E4 g/ wxmax
% Z6 H5 K2 B7 ^7 z6 T9 Z- [ymax; P1 \- B7 L3 {7 ?; M
global-reputation-list# t4 `2 E7 c) T8 l( S
' S5 h4 p4 g1 z5 {$ V
;;每一个turtle的全局声誉都存在此LIST中
: }% A% v1 A( K' M( w& O& a" ncredibility-list& \% R( w( ^* ~4 E2 A
;;每一个turtle的评价可信度
. F) O! D6 m0 X$ @honest-service2 c1 t7 L7 \0 w& p% z
unhonest-service
( X2 y6 }& g" p/ Coscillation5 T+ p& q8 F5 D. D3 F
rand-dynamic
9 N+ U: Q9 L6 I2 r3 Y( G]
/ w; ~6 r. z8 A1 z* [2 P, V+ x) V! ~5 Q$ M
turtles-own[: ]1 {6 G. h2 E& t9 o& d: ^, [! R
trade-record-all; X% E4 U ~7 Q' [3 L
;;a list of lists,由trade-record-one组成
& o) W; r/ l& |, Ntrade-record-one
9 y, e2 L% W& F: c% o: \; W2 G5 H' ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ I3 G' N2 E2 e2 q5 H4 `1 ]
0 V, J! D3 p2 L M;;[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]]
I% f/ J5 w$ b- Etrade-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]! P8 y' M9 a( N- _4 e4 @
credibility-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
. B0 S D+ F4 e3 }. s- l0 F4 Wneighbor-total4 U, l$ w, R$ U4 v9 g" B, m
;;记录该turtle的邻居节点的数目4 S: q9 S8 A$ V: @9 M* \' b
trade-time/ u; ~. G# u1 M- Y
;;当前发生交易的turtle的交易时间
% n+ x& U* r n4 @( O- Sappraise-give5 v- r" X: a2 [- [$ E3 p4 \
;;当前发生交易时给出的评价
3 l! U/ e" g5 r: [' `7 r. D0 L% t. mappraise-receive
* P; j+ C. `( w- Q7 H& W a;;当前发生交易时收到的评价2 U& E) T( o& A R3 N5 a
appraise-time
9 c0 \& y" ] r2 J% `( ~5 b7 T;;当前发生交易时的评价时间" ]2 m& ], K6 u3 N
local-reputation-now;;此次交易后相对于对方turtle的局部声誉+ A* E2 V" \3 R! ^) j
trade-times-total- [6 C% _+ q/ M) s
;;与当前turtle的交易总次数! q b* |# U" E% M1 m
trade-money-total- `& O; s8 s8 q- c# l
;;与当前turtle的交易总金额/ ?5 e+ Q& K8 q1 x# ^5 g5 k) F
local-reputation
6 W! l! }/ v. g8 {1 v5 }" X' C' yglobal-reputation
: I. _: \# B- H& T# H' C# L U# ocredibility
# U+ B1 v) W5 i8 B;;评价可信度,每次交易后都需要更新 C% \0 G7 n i6 f; s
credibility-all) ^. ?6 X7 r, B2 F; f# A0 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, {% Q5 [% ^% |' E" ?2 A$ l8 p j
7 [ K. ~( R5 B7 B" U& e/ L;;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 M7 y+ k, I4 g; P0 ocredibility-one V1 t- Y* h- Q/ q5 \
;;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
1 o$ N, f& k# T) L5 h; ^* eglobal-proportion
% I4 ?0 H5 r' Q0 D& Gcustomer0 I% x5 w6 Q' ~, B# a
customer-no* f {: Z: L0 Y4 \9 ]- h
trust-ok
9 z, ~/ f. ]: p7 e: Otrade-record-one-len;;trade-record-one的长度
/ i4 ]) }' \! F! l2 _]; X7 E( @/ F3 O7 Z. M
9 X# N2 ^- R3 {7 r
;;setup procedure2 P* }+ \% R: ]0 ~6 V& E7 p, g
5 O% w" J5 C0 n' V( P1 U& Uto setup4 Q1 H B6 a: i6 X3 k* `/ u4 R
: V' @+ q! p+ _, m6 ^; Yca
% J! M: x! ~+ ]1 s: d% [7 h+ a& S& B- \3 Z9 a2 Q2 H! c
initialize-settings( v+ I. @& p) p0 y
& k7 v8 d1 i" l9 h( z1 J( q; }
crt people [setup-turtles]3 i* G8 t( s$ v5 ?1 ?
! d# g5 e" x- i+ [
reset-timer9 F: l: j" ~9 W0 E! s% C
$ W) r& x9 c* n$ W9 wpoll-class
% t/ O( S" N i) l; L2 x; ^- }9 f5 P1 v- }( |7 n% g
setup-plots% }+ ]( W( z. |& P- ~. ?0 m
o5 w7 ?6 W4 e/ g S
do-plots
. M& j: h( e9 i g1 x. Aend
; d1 B% f) R0 n T2 I0 H/ Z P% P
; f0 e5 v- ]. G" gto initialize-settings
& h- u) Q- ?$ l5 {8 T
5 m: M- W: f6 A4 J, e9 Hset global-reputation-list []8 Q' n2 z! Y# ?( z# C/ O6 q
3 }% [5 @9 [! |9 J+ [set credibility-list n-values people [0.5]* P: R( z1 c# K7 b( N4 l# W, ], L
6 C1 D1 `* M8 g% Y0 |% hset honest-service 0
7 A+ H: j- @, R- b# Q( j& X
5 ?1 k9 F% W1 {) M e+ Iset unhonest-service 01 ~5 z6 Z- k E9 z
' I# i; P) W% k. C: [set oscillation 00 |) E" X5 X% B# B# y
- x. X% Y! T9 P3 c! d4 u- R2 R7 Wset rand-dynamic 0
8 h8 O) y' h0 ?! s+ Send
1 J3 n' b* V5 U; N1 Z H, W+ U7 Z# B' }# ~2 O0 r
to setup-turtles
0 z/ o# {; z: k" Fset shape "person"/ v6 q/ m) B3 A
setxy random-xcor random-ycor1 b0 y# I/ H, v9 X" \, {
set trade-record-one []
, f" h4 I& T2 R9 _; W* k1 Q& O
6 Z; {; ~8 e0 e: uset trade-record-all n-values people [(list (? + 1) 0 0)]
9 @! ~6 E" W8 ^% F7 ~! s1 S
$ z" r6 ]7 ]2 r0 v [, q$ Sset trade-record-current []/ C2 Y5 \0 d) G5 T! R
set credibility-receive []
1 J0 E1 d0 ^2 p; [set local-reputation 0.5
' W' [* i) x$ _. H: J; qset neighbor-total 03 l; h( ~3 k! q2 c/ h4 ~ E
set trade-times-total 0
3 y. O, X% j/ U4 {" E# N6 fset trade-money-total 0+ I/ m& P4 r% R2 e% s
set customer nobody
8 R, `) k, t1 C Zset credibility-all n-values people [creat-credibility]
! ], h0 h7 t2 }1 V2 Sset credibility n-values people [-1]
! t# l+ R9 R2 Dget-color
9 k0 H+ A* {7 \2 @, B( a6 N+ l. N( r' d
end/ i7 H! C" j, A# f
1 H& U1 m$ Q3 Z' N7 l
to-report creat-credibility
+ o1 f N* |8 ?) }report n-values people [0.5]
- G- n) z4 g5 F7 Rend
f: l( D) o! f. r8 G7 `6 f2 U+ T7 O
to setup-plots
3 M ?2 F% Y9 r r5 w6 L1 d, @% ~& _
set xmax 30! t% @, }9 v$ C; A: k0 R" x0 R
3 X6 V5 k) g5 y% c: Z# ^set ymax 1.0
8 ~0 v8 s, [5 K$ s5 b+ K( t" Q' W8 ^2 ]+ @7 U; b. x* [ B6 V% _
clear-all-plots, r9 J( w7 f! i V
& d5 g: `1 g, c1 M# P! c
setup-plot1' g8 w0 Q4 |5 V
- K# F& M( S& qsetup-plot23 c2 h3 [( Z9 l" s4 m0 G+ G
5 x8 `, T! a7 y# zsetup-plot37 v1 O! D2 r5 d
end0 T* t# X( n/ A( v! T, r
, }0 Q R3 n7 x, O: C3 f u
;;run time procedures$ \9 ~) B7 ^8 \3 M
' q" [1 B3 J# w) w) ?to go
% o; A+ d: P8 k1 }# ]. Q# b7 y9 K& T* {" K7 t$ Z
ask turtles [do-business]( R3 S4 n5 c, [& [& N
end
1 Y M8 i7 P* }4 h, }- j' Y
8 [9 A+ b5 a+ ?3 E* z4 \to do-business
* Q; X8 ]# R3 E1 D8 U' \! B5 m
- {2 K* j8 R$ s0 ^, o1 H4 y$ P, |4 J V: _. R! m
rt random 360
$ c: h+ \1 [! o' `; C% B: ~. Z$ e, \! L
fd 1
5 M: A9 m. V8 b/ P: y1 p+ \- A+ n, v0 }) A3 ^% q- x+ m
ifelse(other turtles-here != nobody)[
l: S! g0 t4 e) a: x3 _: j' u2 `1 U5 f" O) w# R1 q1 h
set customer one-of other turtles-here0 q4 k* d1 W) e' I
# Q/ M7 ~1 V9 S% C
;; set [customer] of customer myself
! p* X0 C7 V4 \( b' X
! l5 K7 a) D' L, ~set [trade-record-one] of self item (([who] of customer) - 1)
+ q" \+ g. Z! T3 z1 a% R[trade-record-all]of self5 d( o7 D. G: F6 V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( M9 i3 r5 O# c" Y. T# ]
, n* q8 ~% q# P4 |, l' Kset [trade-record-one] of customer item (([who] of self) - 1)3 d1 m- V! ~ U5 }( U! d- o1 c9 u
[trade-record-all]of customer
& Q# Q) q0 D% `4 c& w$ b% c# g- c$ S) Z7 ]
set [trade-record-one-len] of self length [trade-record-one] of self
! M; j; b4 S# Q6 c$ o; [
9 m5 ~$ y& @! @. r4 wset trade-record-current( list (timer) (random money-upper-limit))
2 n; N; T& w" V
3 b& H" l- I. S( eask self [do-trust]
/ a8 q$ c" {. E1 `2 I% k;;先求i对j的信任度
5 V& B+ W( s8 J8 h( z
% L g# x' _# L6 L3 ]if ([trust-ok] of self)
+ z4 @( Q1 x5 V0 o" g;;根据i对j的信任度来决定是否与j进行交易[
0 W, Y+ C! q/ ]2 D$ v6 ?ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
7 }+ q& P% N6 b& [5 P$ C6 \
5 {) ?/ L, F# c( `# j[" L9 W0 `* A3 R6 {
N. ?, S: q8 r3 J: \, i/ Wdo-trade, Q. }: k4 N& {
) l* x9 s' {( H9 p6 F8 pupdate-credibility-ijl
7 _, m5 Z8 X- S: i1 B5 `
3 x+ E6 Q9 I7 i& k- ]update-credibility-list, z0 ]7 O+ Z6 k3 B& k1 r0 U5 Q
3 u) X" u( O# R, `
/ J# Z' g! U' \9 [
update-global-reputation-list) w, I, L) L/ o- ?! D8 _0 y
4 ]$ f& P, y3 S( A% B9 a5 ?poll-class
1 b, _# t( d5 g K
+ `, i5 B1 C" A/ f3 K( t$ Qget-color$ r: E% q. U2 I' F' O
) c% w$ j( J) Y/ B; @+ d
]]
( r3 k. B4 _9 E3 ?) S
0 Z# T$ O+ E. @; l% p2 v;;如果所得的信任度满足条件,则进行交易! v3 J" D6 v8 g) b
2 g7 q! ?0 c9 Q m[, |1 l6 n5 A, H7 U8 ^
4 `) ]4 q" c" V! B
rt random 360 ~ U% J+ \$ A! F
& s; M) Y) |! K: L! |6 r7 w
fd 1: @1 h5 _3 h# ~/ Y
: k2 C& L4 ?9 u, |5 e- _! g+ t
]
. T$ {4 Y* I6 t' u5 g" y
+ P0 s; U) x& C4 t2 R: nend
2 R+ T2 `. K7 v* V) `" f3 @/ N( C! K W% Y+ G
to do-trust ( D5 N) |! M) U2 M4 Y5 I4 y. }
set trust-ok False
2 O6 I& S9 O& Y m+ d( K8 d$ j+ u: r* N7 D* B, q5 Q7 g( z
6 J" i, f7 X" Z6 C( elet max-trade-times 0
9 p5 w; c ]0 e$ {% s3 k' Dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, D5 q& w3 w7 |6 Z+ ?! V3 Mlet max-trade-money 0
% z6 i) ~) o, q$ W8 O, J/ l3 _foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
% `( [- {$ S+ ~4 ~! F5 n! \let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
& |% S- O% N; O7 ?. @& j$ y5 r+ O7 {4 V! d1 g' S3 t
% l5 q, m8 y* o9 a w8 Hget-global-proportion
9 b J' d3 O2 N& llet trust-value8 E8 D- G5 K- M- u# ^- A
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)) F1 ^' f( R5 b& k5 @: E. Z
if(trust-value > trade-trust-value)
8 N) f# E4 Z+ e/ e[set trust-ok true]9 O( H3 R: l% D/ B2 ~+ s& v; T
end
M* U; A; U1 h- `! L1 ?4 W( S; l/ D2 T+ E8 R
to get-global-proportion
E& b( O- q8 h1 x- Qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 X& F, Y" I1 B, }) P5 e[set global-proportion 0]
0 k' v6 a. [) S6 n9 H0 r[let i 0
4 S+ i3 z4 ~ r. N9 ]$ Slet sum-money 0. W! ^$ P/ v+ f3 J: N6 u
while[ i < people]
3 c8 m) k1 P# ]1 {2 M. P/ F[% m; t0 _; D- v8 }
if( length (item i0 O- z6 L, D# D/ s3 R# N
[trade-record-all] of customer) > 3 )' Y1 {4 K+ t: E/ ]. F
[
: ^) X, }/ c- H, V8 Pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))9 f* S8 o: ~0 j+ g7 a% @6 ]0 c
]- O* \* j+ V4 E% i4 `
]
# h& Z1 H- H' q2 `9 y: ~let j 08 g! ^+ u' A( m1 Y
let note 05 d$ n/ y! B- a% G' M4 Z
while[ j < people] }: H) N2 |' N
[# T" @9 M; k8 G: o$ b
if( length (item i
3 D8 W+ ], y+ k; H* Z( B! L* @% V[trade-record-all] of customer) > 3 )+ c) T6 N2 x' n5 x
[
$ A6 Z- ?( u, M, k4 x; z Lifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& @. `) K q$ \[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( t' ?4 w: ]2 @8 a9 X[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ j6 t/ L6 q& O4 D; V2 E/ j]8 z2 a1 ]5 o- |$ O! h/ E( D
]9 T& A4 ?1 B8 d( E, o6 D
set global-proportion note. w) ?! o& [ d' i: D0 r. m% m8 g
]
: r; @/ h8 M! Zend
. O5 }4 J/ w t$ h! Q
6 b- k+ ^4 u7 K# } U/ pto do-trade
8 M8 V' l; k+ W" q4 F5 m0 m;;这个过程实际上是给双方作出评价的过程6 l1 o2 m( y: g& ?) L
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) r9 s9 v, `) ^, Q" w+ ?8 Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 O% w6 Q6 G6 h8 Q1 yset trade-record-current lput(timer) trade-record-current
0 F% n; b7 `" y. _# _;;评价时间. o0 f& m$ O& S
ask myself [$ B; w( h8 w* k* x
update-local-reputation
/ e' Z) U6 G' ~2 W1 bset trade-record-current lput([local-reputation] of myself) trade-record-current
* G6 W' c$ Y, I1 H3 i2 ~2 ]# C' Y]+ r6 l* D3 r3 ~; K- Q9 f6 Q* Q! g
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
! p) K% t9 T% C/ m" i; ];;将此次交易的记录加入到trade-record-one中8 O3 u. [9 |! i- L3 b0 F+ w
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 p9 C7 K# c, mlet note (item 2 trade-record-current )% z$ s' r' K7 q; N1 e! n2 ~
set trade-record-current
. }" Y- ~* W/ ]! A m& t" _(replace-item 2 trade-record-current (item 3 trade-record-current))5 x8 l+ z" Z( q3 f; d' A
set trade-record-current4 n4 R2 s, t$ G0 G; L+ M
(replace-item 3 trade-record-current note)0 `5 @' {' y% G u; ~4 ?2 v
5 N1 L$ J$ g" {# V4 E) m2 ^
* k' j- E4 N1 y; W K( Y* bask customer [( Y u& H% C( k, `" s5 q
update-local-reputation8 b) V8 P8 t' Q0 X; f; R T
set trade-record-current
5 y2 {- O$ I) O6 a3 b(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 8 C$ h# q V" A7 @# B' t2 v; c
]
$ X( i) v* H; C7 g5 K9 M. K) n0 A$ F' [6 [' r. T2 e5 c8 t
0 X, S+ h7 Q0 O, Z0 tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
" s/ N* L" e* m% g/ d9 R7 v; m/ a' m
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& ?4 ?6 _5 }5 A! z, f;;将此次交易的记录加入到customer的trade-record-all中 h# a- t6 P3 G p
end8 p! }7 A; h+ ~, J
3 @9 d+ N+ B% i6 A4 W
to update-local-reputation8 r8 r' g7 C6 v( s* s5 W( O
set [trade-record-one-len] of myself length [trade-record-one] of myself M7 [( ?0 C% H; P' g, U
1 t Z4 i2 b3 S6 e( Z
" F5 w" T: W4 E: m;;if [trade-record-one-len] of myself > 3 3 J: @- w0 D6 d" |
update-neighbor-total6 w( V! t0 W6 E/ I5 C7 O: Z( T
;;更新邻居节点的数目,在此进行
9 P I4 }% j; wlet i 3" R3 l' w+ K$ ]. n: P v( P6 I
let sum-time 0
; S4 v- z8 h6 uwhile[i < [trade-record-one-len] of myself]
3 G, F W7 Y* ~( `( l" ?[' i$ h) {( m+ l/ b% N# n- F
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
. X! _0 e7 I8 o* M! }set i
" J- a9 @; y7 d3 g4 Z7 d% _: j( i + 1)# a0 s& @5 v( M3 S: A
]
6 p8 q8 \' q! b7 N" ?let j 3+ P: r; p- W8 Q( j' i J% r
let sum-money 02 O) I# \3 V8 T
while[j < [trade-record-one-len] of myself]) s/ r3 g* _5 u/ k; C+ Q" I7 w$ v1 u; h
[ z& C8 @! b: K9 V, ?
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
9 u9 L7 s# a; P! j7 mset j
6 B: F* N. z$ c( j + 1)" Y- z, h4 ~% d% j
]
7 Y8 D, d. d6 `( a' Blet k 39 ~: m. p& n# }7 M# E% M w
let power 0* A9 W0 u6 n" _( K% m) h- l
let local 0
5 w2 N( ?; B) P8 a: W& [while [k <[trade-record-one-len] of myself]& ^3 y& l+ H/ C7 ^, J W' g" s
[. x5 k/ r o6 d$ y" S# `
set 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) 0 z" b7 q* s W
set k (k + 1)% v+ J. n" i' o" b* K7 C
] c. {, {' d" {7 l8 ~0 i5 Z# |
set [local-reputation] of myself (local)3 U% G: [' I* d
end
: w; e, p7 u0 B
# b" [7 u, d7 F0 Jto update-neighbor-total: r w$ t6 C& m4 \5 L1 D" Z8 S
l; B" j; X0 |. V) Nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 F( c) m5 [/ }: ^) L; d0 n% t( a+ G
6 C p- C; g6 h8 P
end
& o) J. P; F1 d7 A; X p6 ^# X* g5 |8 A! J7 r4 d" M! d0 Z2 q
to update-credibility-ijl % s7 e" s: P1 \2 n) O: M6 M! j
( ?$ j/ y' g. |6 O6 Z0 V4 _;;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。
4 x6 U3 m8 w1 d7 xlet l 0
) _; w& I5 I6 H! F7 |' M4 ~while[ l < people ]
5 p$ {8 V( | O( T+ j7 M3 b;;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
, X! z& L1 }4 l[! f0 v/ O" L2 n# V7 y) K5 u
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
+ Z! ] P! ?- _- z: _; w! ]if (trade-record-one-j-l-len > 3)
# I% Y8 P8 C$ r1 m" L# B. A[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
* [7 ~! N" H9 m/ Plet i 36 E: b; U: `. ~% G" c" V$ t
let sum-time 0) e9 Q5 H% S/ w& Y
while[i < trade-record-one-len]" P; E, x$ C7 ^. f9 n
[
$ M, y4 ~7 K- b2 ?5 n4 qset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
$ g' I8 V& \0 b9 U) e# |/ x- kset i
5 ]1 r0 g5 h1 R( i + 1)
- n! r$ a" C; M& j( @], f+ c, U; V0 q2 E. x
let credibility-i-j-l 0
" i9 v0 M0 J: N* T. ?& D;;i评价(j对jl的评价), O5 E' o/ I1 S5 T& | }
let j 3/ t+ l: L6 [+ v2 |$ C, [
let k 4. {) J% _( A3 D
while[j < trade-record-one-len]
5 M. R# i* t' s- U[
+ k8 H: ]* z6 S5 Jwhile [((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
9 B* Q1 E( u/ ~1 w6 sset 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)5 u: ]: R9 {; P" Z7 o
set j
1 [2 b4 ]- x z( o% P7 Q) @( j + 1)
! ?& ]# S" b3 {" s1 b4 o/ X]! H) Q7 M) B) G' W3 k: a3 y6 t8 w
set [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 ))2 |; a! O% T1 e* X6 Q b
2 s8 A7 V7 s/ R9 G
+ P' ?' @3 j& i5 R0 R7 Hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), {2 M9 D- c, u4 Q/ D. N, w; ]* [
;;及时更新i对l的评价质量的评价
) X4 X( v: G. _2 K: U# t1 o6 K6 ^set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 c! f; V: [, r. F: M; A" t9 d
set l (l + 1): c" x- y/ g- R; ~: ?" K
]
( s5 E+ b, o% m; J' w% Eend
. K0 C( y9 v. O+ E
4 A5 G3 V0 U( L9 nto update-credibility-list4 r |5 ~0 I) @! w7 {* B
let i 0. f- Z( i. R2 N8 e* i0 r) ?
while[i < people]. b0 U: X' p( j1 z
[9 D& k9 D, r6 G7 e- m0 P1 H! E
let j 0& ^6 @& j0 R; Z/ w+ ^6 |% z- _ ]
let note 0
& Q# ^$ u3 `3 k- `let k 0* }( o8 d9 {* D9 P0 E( j2 W
;;计作出过评价的邻居节点的数目
& p# t, Y5 G8 x+ g2 C" X& K- wwhile[j < people]
' x+ d7 o0 r- L0 G) W# }[6 t0 K) y5 {& z' Q; c" E
if (item j( [credibility] of turtle (i + 1)) != -1)
+ g" R) O1 B q1 c* N, S! a;;判断是否给本turtle的评价质量做出过评价的节点2 h; W e! }) W- V8 A
[set note (note + item j ([credibility]of turtle (i + 1)))
5 u. O f6 c2 [% V;;*(exp (-(people - 2)))/(people - 2))]0 D3 c) }% I+ n6 e0 T
set k (k + 1)+ A! w: X1 {3 [ P
]6 }) K5 @$ I# J. c& [
set j (j + 1)
2 M" b6 S& ^& e# O7 }]
; o3 H' n7 L1 ~6 `set note (note *(exp (- (1 / k)))/ k)
1 `2 S n0 ]* C) s6 P# g3 Aset credibility-list (replace-item i credibility-list note)
! [* m; {! n# g5 j- x. c6 }5 V$ Cset i (i + 1), x4 u5 W J" S$ Y
]! ^% W# p2 [) L+ Z% m' @8 o
end3 R- d+ F$ j8 O0 C" \" y1 E! k
: N8 ~+ i4 \% z, m% p4 B
to update-global-reputation-list' X" g7 Y$ `& S) g4 k6 R3 m# m9 }
let j 0
& o/ j, p0 D- R( iwhile[j < people]' p4 f& e; X8 ]9 X1 B2 m
[
6 r( x' `9 q- V# u" F; k# Rlet new 0# w0 _* @- l& d
;;暂存新的一个全局声誉
' a8 C9 M+ C: `: o8 D$ _let i 0% o2 [9 C: M/ J+ q
let sum-money 00 r; J$ \5 E1 h/ h! {
let credibility-money 0
: J9 ]- u8 |& x" u: l' Twhile [i < people]
" a9 ?( P5 b2 M5 t2 a3 U3 `/ u+ G[9 u4 W a5 U+ P" L' c" p
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- S) C1 q# F/ K% Y3 l5 Rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! w r% s% d& h6 x% P+ I3 ~" aset i (i + 1)" N1 U' w3 O$ d1 q( p( z1 m; n
]! `( u, v+ \- M7 Z3 d* n$ ^& f" |
let k 02 j7 \ j' z' F$ J V
let new1 0, F; ?: N. V6 a8 U/ A1 Y! d
while [k < people]1 C/ n( @! B" z
[( Q# D) B. P9 t" p
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)
b9 ^/ F2 O9 G- S& eset k (k + 1)
/ K6 m* Q) F# L; [( s7 F8 O]
: f3 L+ ?* X( [set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
~; m2 D+ j# `2 Rset global-reputation-list (replace-item j global-reputation-list new) V! p; p& _- `1 o6 B2 G8 k" V/ v
set j (j + 1)' Q2 g: C6 O2 p# [2 A
]
& m! l% [6 b/ Q8 m7 |! @end
- x& x# N% G% G' j4 I; i; n H5 w6 F' b: |; u5 M
) c' L, ]& Y; q3 J
6 H0 n, q* n' _1 w4 E' a- u8 mto get-color( U4 w+ i' p2 j! C1 [' l
" {' y! f) w2 Z6 _4 h
set color blue& b: l9 n+ V# I, }
end
4 G- M; C. |* i) u: r2 N# B4 A$ l) E
4 J( @% L# f" o0 X5 r& u7 B6 E# Oto poll-class$ q6 w! e, {# f! d
end
' r2 F: O6 d7 `$ x
! s* }+ R( q& V* U5 S' G8 uto setup-plot1& g4 {: z& F; X7 ~4 H
% d8 L1 D& O$ m% t( }& f$ \set-current-plot "Trends-of-Local-reputation"
. k( K( j7 `* ~8 c8 ^; I+ C! \; |& P8 l: t- D+ u% _
set-plot-x-range 0 xmax
1 e' l5 r( n6 u
0 j! U! r m0 I% j. ^) y( q+ w3 _set-plot-y-range 0.0 ymax
) F2 Q' I" T: b8 nend
& A3 D. T1 x7 k9 v$ y. W' [; ^5 k7 A4 a, C, T" c4 e* h5 i, |+ }
to setup-plot24 ?/ |6 w1 h& ~- M5 `
5 A g8 i* h2 q0 W8 s; L
set-current-plot "Trends-of-global-reputation"/ {% j2 n) K& p6 `
* y' J/ g4 j. e5 ?5 |6 O. _
set-plot-x-range 0 xmax+ |* W1 Q" |6 I3 @* w
2 L2 v8 C6 }6 [7 c. Sset-plot-y-range 0.0 ymax
# s% R2 n/ |# A- Yend
5 G/ v, Y+ M5 `8 r d& S0 a0 L* H: V6 P. m, n+ U7 w( Y4 Q; o
to setup-plot3 m: N: }9 l# a S+ F9 R) H8 |
. X n" p1 B6 f+ w5 O! J5 f
set-current-plot "Trends-of-credibility"
- U, L/ P8 v& \- F- t+ ]7 K' x8 D" c$ M4 o l
set-plot-x-range 0 xmax
0 t) M7 x+ E- T2 Q5 r5 B7 E' t3 p- z$ E% x% b% s: ]
set-plot-y-range 0.0 ymax
0 @" f0 p* b. Iend
* I+ a7 c' N/ ?/ a# t) |; s1 }' u3 O V4 P9 I
to do-plots
7 ]' \* Y; D4 Y ^% I2 R, Q. Tset-current-plot "Trends-of-Local-reputation"! g3 X+ n6 u9 c) s& X
set-current-plot-pen "Honest service"
4 m R, o/ z& I" _end
: p# f( [, E+ n; T4 ?0 S0 W2 x) N, B
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|